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<button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">List of all telephone area codes in California</div> <figure class="mw-halign-right noresize" typeof="mw:File/Thumb"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Area_codes_CA.svg/350px-Area_codes_CA.svg.png" decoding="async" width="350" height="479" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Area_codes_CA.svg/525px-Area_codes_CA.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Area_codes_CA.svg/700px-Area_codes_CA.svg.png 2x" data-file-width="491" data-file-height="672" usemap="#ImageMap_0d070bc571f46411" resource="/wiki/File:Area_codes_CA.svg" /></span><map name="ImageMap_0d070bc571f46411"><area href="/wiki/Area_codes_458_and_541" shape="rect" coords="7,1,118,19" alt="458/541" title="458/541" /><area href="/wiki/Area_code_775" shape="poly" coords="94,19,95,90,170,159,170,134,113,83,113,19,93,20" alt="775" title="775" /><area href="/wiki/Area_code_702" shape="poly" coords="169,135,168,158,197,185,200,181,196,158,169,134" alt="702" title="702" /><area href="/wiki/Area_code_928" shape="poly" coords="196,161,199,174,202,181,195,182,202,189,215,205,209,208,208,217,209,221,202,228,207,235,210,240,210,242,207,244,205,249,218,253,222,264,234,264,235,189,197,161" alt="928" title="928" /><area href="/wiki/Area_codes_442_and_760" shape="poly" coords="205,249,205,244,210,242,205,235,205,228,207,222,207,215,215,205,202,185,113,106,98,111,103,125,98,130,102,134,115,133,135,175,130,179,130,182,134,182,142,189,152,190,156,200,158,201,166,197,183,207,183,212,179,213,182,223,180,229,170,227,167,232,170,236,188,249,206,252,71,88" alt="442/760" title="442/760" /><area href="/wiki/Area_code_916_and_279" shape="poly" coords="72,89,61,98,61,109,71,102,75,96,74,90" alt="916/279" title="916/279" /><area href="/wiki/Area_code_530" shape="poly" coords="109,105,95,109,89,99,77,101,76,94,73,89,58,97,41,52,46,50,34,43,24,29,35,30,37,21,94,21,94,95,110,105" alt="530" title="530" /><area href="/wiki/Area_code_707" shape="poly" coords="18,20,13,58,21,76,29,109,61,107,61,101,56,98,38,53,42,49,36,48,24,31,31,26,34,21,17,19" alt="707" title="707" /><area href="/wiki/Area_code_209" shape="poly" coords="88,100,75,102,62,110,60,118,73,139,83,145,89,138,101,127,89,103" alt="209" title="209" /><area href="/wiki/Area_code_559" shape="poly" coords="101,177,91,164,87,140,88,135,98,131,101,137,113,136,133,174,129,177,123,177,110,175,103,177" alt="559" title="559" /><area href="/wiki/Area_code_831" shape="poly" coords="52,145,71,138,86,145,91,165,69,170,58,154,63,142" alt="831" title="831" /><area href="/wiki/Area_code_805" shape="poly" coords="58,173,91,165,103,174,98,192,113,199,119,195,126,195,137,204,123,215,91,220,59,174" alt="805" title="805" /><area href="/wiki/Area_code_661" shape="poly" coords="137,205,128,195,118,195,113,197,99,192,101,176,108,173,128,177,127,181,130,183,138,192,150,192,152,204,137,204" alt="661" title="661" /><area href="/wiki/Area_code_858" shape="poly" coords="148,233,166,232,170,238,153,242,153,234" alt="858" title="858" /><area href="/wiki/Area_code_909" shape="poly" coords="157,204,165,198,180,207,180,212,165,217,165,207,160,205" alt="909" title="909" /><area href="/wiki/Area_code_951" shape="rect" coords="167,215,180,230" alt="951" title="951" /><area href="/wiki/Area_code_619" shape="poly" coords="179,250,151,249,154,243,170,237,180,249" alt="619" title="619" /><area href="/wiki/Area_code_213" shape="rect" coords="282,225,294,237" alt="213" title="213" /><area href="/wiki/Area_code_323" shape="poly" coords="262,206,267,264,292,264,321,238,323,222,299,196,285,200,281,210,272,205,262,208" alt="323" title="323" /><area href="/wiki/Area_code_707" shape="poly" coords="152,14,181,58,205,69,220,58,235,73,266,78,272,73,279,66,290,63,305,56,307,40,302,15,153,16" alt="707" title="707" /><area href="/wiki/Area_code_916_and_279" shape="poly" coords="304,16,307,34,307,53,292,63,292,66,302,68,313,68,321,48,326,39,324,16,304,16" alt="916/279" title="916/279" /><area href="/wiki/Area_code_415" shape="poly" coords="178,61,187,60,203,70,217,63,217,58,220,57,229,71,234,75,231,83,235,93,241,103,246,120,248,126,223,123,188,111,177,61" alt="415" title="415" /><area href="/wiki/Area_code_650" shape="poly" coords="220,124,237,177,264,170,264,162,271,162,275,154,272,153,256,136,244,126,223,125" alt="650" title="650" /><area href="/wiki/Area_codes_510_and_341" shape="poly" coords="234,88,243,78,262,80,257,83,259,94,267,103,282,114,289,130,291,146,285,153,270,149,258,136,257,120,249,120,242,101,237,83" alt="510/341" title="510/341" /><area href="/wiki/Area_code_925" shape="poly" coords="262,78,254,83,262,98,267,104,281,113,292,145,310,146,310,138,307,135,304,110,295,105,296,103,301,97,304,70,287,63,261,79" alt="925" title="925" /><area href="/wiki/Area_code_408" shape="poly" coords="310,148,292,148,285,154,277,155,273,160,266,165,267,173,270,173,286,185,292,182,294,175,314,176,313,160,311,157,309,147" alt="408" title="408" /><area href="/wiki/Area_code_209" shape="poly" coords="325,192,314,179,314,161,311,154,311,139,308,133,302,109,296,107,296,101,300,101,304,68,314,63,326,37,326,191" alt="209" title="209" /><area href="/wiki/Area_code_831" shape="poly" coords="232,180,264,171,285,186,291,183,295,177,314,176,321,192,246,195,232,180" alt="831" title="831" /><area href="/wiki/Area_code_805" shape="poly" coords="10,329,11,301,36,269,67,267,93,324,83,333,83,338,78,341,75,347,61,342,41,359,9,331" alt="805" title="805" /><area href="/wiki/Area_code_661" shape="poly" coords="64,270,85,305,140,301,162,303,174,302,186,302,180,269,65,269" alt="661" title="661" /><area href="/wiki/Area_codes_442_and_760" shape="poly" coords="182,271,186,302,186,312,203,304,218,306,225,311,236,310,238,306,237,299,278,292,274,354,287,404,288,435,240,435,220,428,202,446,204,448,298,448,298,272,180,271" alt="442/760" title="442/760" /><area href="/wiki/Area_codes_310_and_424" shape="poly" coords="44,352,51,448,127,448,117,426,135,391,135,377,127,378,119,354,75,351,72,347,62,341,57,339,43,356" alt="310/424" title="310/424" /><area href="/wiki/Area_codes_747_and_818" shape="poly" coords="84,307,95,324,84,331,83,339,74,348,77,354,118,355,126,353,129,354,134,350,141,347,135,338,134,334,140,326,142,302,83,307" alt="747/818" title="747/818" /><area href="/wiki/Area_code_626" shape="poly" coords="141,302,159,302,166,302,186,303,186,319,174,325,169,330,165,341,166,359,174,370,164,371,159,366,156,361,148,360,134,336,140,329,144,302" alt="626" title="626" /><area href="/wiki/Area_code_909" shape="poly" coords="278,292,237,299,238,310,222,309,220,308,205,303,188,311,187,320,175,325,169,338,167,354,168,363,175,370,182,369,190,374,213,373,228,356,242,355,258,359,272,355,277,293" alt="909" title="909" /><area href="/wiki/Area_code_951" shape="poly" coords="193,374,215,373,227,356,242,355,258,360,272,354,284,403,289,433,242,434,220,429,230,406,220,397,208,396,208,388,191,375" alt="951" title="951" /><area href="/wiki/Area_code_949" shape="poly" coords="198,446,222,428,230,408,221,399,210,397,201,398,194,393,191,393,188,398,176,400,162,414,201,446" alt="949" title="949" /><area href="/wiki/Area_code_562" shape="poly" coords="135,399,136,378,143,372,156,367,166,372,155,393,158,397,150,413,134,398" alt="562" title="562" /><area href="/wiki/Area_codes_657_and_714" shape="poly" coords="154,413,160,397,157,394,166,371,176,372,176,371,184,371,209,386,207,394,202,397,194,391,190,393,188,397,177,400,161,415,155,409" alt="657/714" title="657/714" /></map><figcaption>Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes.</figcaption></figure> <p>In 1947, the <a href="/wiki/American_Telephone_and_Telegraph_Company" class="mw-redirect" title="American Telephone and Telegraph Company">American Telephone and Telegraph Company</a> (AT&T) devised the first nationwide <a href="/wiki/Telephone_numbering_plan" title="Telephone numbering plan">telephone numbering plan</a> and assigned the <a href="/wiki/Original_North_American_area_codes" title="Original North American area codes">original North American area codes</a>. The state of <b>California</b> was divided into three numbering plan areas (NPAs) with distinct <b>area codes</b>: <a href="/wiki/Area_code_213" class="mw-redirect" title="Area code 213">213</a>, <a href="/wiki/Area_code_415" class="mw-redirect" title="Area code 415">415</a>, and <a href="/wiki/Area_code_916" class="mw-redirect" title="Area code 916">916</a>, for the southern, central, and northern parts of the state, respectively.<sup id="cite_ref-mabbs1947_1-0" class="reference"><a href="#cite_note-mabbs1947-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>In 1949, Oakland, CA, received the fifth regional dial switching center for <a href="/wiki/Operator_Toll_Dialing" title="Operator Toll Dialing">Operator Toll Dialing</a> in the nation,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> which set the stage for direct distance dialing by customers in the 1950s. In 1950, the boundaries of the California numbering plan areas were redrawn to produce a division of the northern and central parts along a north–south-running dividing line. Numbering plan area 415 became the coastal region from the <a href="/wiki/North_Coast_(California)" title="North Coast (California)">North Coast</a> to the <a href="/wiki/Oregon" title="Oregon">Oregon</a> border, while 916 was redrawn to comprise the northeastern corner of the state.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> This realignment resulted in Sacramento changing from area code 415 to 916, and Bakersfield to 213. </p><p>During the initial trials of DDD, starting in 1951, <a href="/wiki/Area_code_318" title="Area code 318">area code 318</a> was temporarily installed for the new toll-switching center in San Francisco to separate calls destined through Oakland (415), as six-digit translation was not available until two years later. </p><p>In subsequent decades the California numbering plan areas underwent many <a href="/wiki/Area_code_split" title="Area code split">area code splits</a> and <a href="/wiki/Area_code_overlay" class="mw-redirect" title="Area code overlay">area code overlay</a> arrangements. As of July 2023, California has 38 active area codes. </p> <table class="wikitable"> <tbody><tr> <th>Area code</th> <th>Service area</th> <th>Notes </th></tr> <tr> <td><a href="/wiki/Area_code_209" class="mw-redirect" title="Area code 209">209</a></td> <td><a href="/wiki/Stockton,_California" title="Stockton, California">Stockton</a>, <a href="/wiki/Modesto" class="mw-redirect" title="Modesto">Modesto</a>, <a href="/wiki/Merced" class="mw-redirect" title="Merced">Merced</a>, <a href="/wiki/Turlock" class="mw-redirect" title="Turlock">Turlock</a>; the northern <a href="/wiki/San_Joaquin_Valley" title="San Joaquin Valley">San Joaquin Valley</a> and the central <a href="/wiki/Sierra_Nevada_(U.S.)" class="mw-redirect" title="Sierra Nevada (U.S.)">Sierra Nevada</a> range.</td> <td>Split from <a href="/wiki/Area_code_415" class="mw-redirect" title="Area code 415">415</a> on October 26, 1957; split off 559 on November 14, 1998; overlaid with 350 on November 28, 2022 </td></tr> <tr> <td><a href="/wiki/Area_code_213" class="mw-redirect" title="Area code 213">213</a></td> <td>Much of the City of <a href="/wiki/Los_Angeles" title="Los Angeles">Los Angeles</a> and several inner suburbs</td> <td>October 1947; split numerous times since then, including a split to form code <a href="/wiki/Area_code_323" class="mw-redirect" title="Area code 323">323</a> on June 13, 1998; in August 2017, the boundary between 213 and 323 was erased to form an overlay. </td></tr> <tr> <td><a href="/wiki/Area_code_279" class="mw-redirect" title="Area code 279">279</a></td> <td><a href="/wiki/Sacramento" class="mw-redirect" title="Sacramento">Sacramento</a> and most of the Sacramento metro: <a href="/wiki/Folsom,_California" title="Folsom, California">Folsom</a>, <a href="/wiki/Roseville,_California" title="Roseville, California">Roseville</a>; <a href="/wiki/Sacramento_County" class="mw-redirect" title="Sacramento County">Sacramento County</a> and southern <a href="/wiki/Placer_County" class="mw-redirect" title="Placer County">Placer County</a></td> <td>overlay with 916, started service on March 10, 2018. </td></tr> <tr> <td><a href="/wiki/Area_code_310" class="mw-redirect" title="Area code 310">310</a></td> <td>The western and southwestern parts of <a href="/wiki/Los_Angeles_County" class="mw-redirect" title="Los Angeles County">Los Angeles County</a>, including the <a href="/wiki/Westside_(Los_Angeles_County)" title="Westside (Los Angeles County)">Westside</a> and <a href="/wiki/South_Bay_(Los_Angeles_County)" title="South Bay (Los Angeles County)">South Bay</a> regions. These include the cities and towns of <a href="/wiki/Santa_Monica" class="mw-redirect" title="Santa Monica">Santa Monica</a>, <a href="/wiki/Malibu,_California" title="Malibu, California">Malibu</a>, <a href="/wiki/Pacific_Palisades,_Los_Angeles" title="Pacific Palisades, Los Angeles">Pacific Palisades</a>, <a href="/wiki/Compton,_California" title="Compton, California">Compton</a>, <a href="/wiki/Torrance,_California" title="Torrance, California">Torrance</a>, <a href="/wiki/Beverly_Hills" class="mw-redirect" title="Beverly Hills">Beverly Hills</a>, and <a href="/wiki/Santa_Catalina_Island,_California" class="mw-redirect" title="Santa Catalina Island, California">Catalina Island</a>.</td> <td>Split from 213 on November 2, 1991; <a href="/wiki/Overlay_plan" class="mw-redirect" title="Overlay plan">overlaid</a> by 424 on August 26, 2006 </td></tr> <tr> <td><a href="/wiki/Area_code_323" class="mw-redirect" title="Area code 323">323</a></td> <td>Much of the City of <a href="/wiki/Los_Angeles" title="Los Angeles">Los Angeles</a> and several inner suburbs</td> <td>originally split off from 213 to form a ring around downtown <a href="/wiki/Los_Angeles" title="Los Angeles">Los Angeles</a> and the city of <a href="/wiki/Montebello,_California" title="Montebello, California">Montebello</a> on June 13, 1998; in August 2017, the boundary between 213 and 323 was erased to form an overlay. On November 1, 2024, it was overlaid by area code 738. </td></tr> <tr> <td><a href="/wiki/Area_code_341" class="mw-redirect" title="Area code 341">341</a></td> <td>overlay with 510</td> <td>started service on July 22, 2019. </td></tr> <tr> <td><a href="/wiki/Area_code_350" class="mw-redirect" title="Area code 350">350</a></td> <td>overlay with 209</td> <td>started service on November 28, 2022. </td></tr> <tr> <td><a href="/wiki/Area_code_369" class="mw-redirect" title="Area code 369">369</a></td> <td>overlay with 707</td> <td>started service on February 1, 2023. </td></tr> <tr> <td><a href="/wiki/Area_code_408" class="mw-redirect" title="Area code 408">408</a></td> <td><a href="/wiki/San_Jose,_California" title="San Jose, California">San Jose</a>, <a href="/wiki/Sunnyvale" class="mw-redirect" title="Sunnyvale">Sunnyvale</a>, <a href="/wiki/Gilroy,_California" title="Gilroy, California">Gilroy</a>, <a href="/wiki/Morgan_Hill" class="mw-redirect" title="Morgan Hill">Morgan Hill</a>, and <a href="/wiki/Los_Gatos" class="mw-redirect" title="Los Gatos">Los Gatos</a>; most of <a href="/wiki/Santa_Clara_County" class="mw-redirect" title="Santa Clara County">Santa Clara County</a>.</td> <td>Split from <a href="/wiki/Area_code_415" class="mw-redirect" title="Area code 415">415</a> on January 1, 1959; overlaid by 669 on November 20, 2012 </td></tr> <tr> <td><a href="/wiki/Area_code_415" class="mw-redirect" title="Area code 415">415</a></td> <td><a href="/wiki/San_Francisco" title="San Francisco">San Francisco</a>, <a href="/wiki/San_Rafael,_California" title="San Rafael, California">San Rafael</a>, <a href="/wiki/Novato" class="mw-redirect" title="Novato">Novato</a>; all of <a href="/wiki/San_Francisco_County" class="mw-redirect" title="San Francisco County">San Francisco County</a>, most of <a href="/wiki/Marin_County" class="mw-redirect" title="Marin County">Marin County</a> and a small portion of northern <a href="/wiki/San_Mateo_County" class="mw-redirect" title="San Mateo County">San Mateo County</a></td> <td>October 1947; split numerous times since then; overlaid by 628 effective March 21, 2015<sup id="cite_ref-overlay628_4-0" class="reference"><a href="#cite_note-overlay628-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Area_code_424" class="mw-redirect" title="Area code 424">424</a></td> <td>overlay with 310</td> <td>started service on August 26, 2006. </td></tr> <tr> <td><a href="/wiki/Area_code_442" class="mw-redirect" title="Area code 442">442</a></td> <td>overlay with 760</td> <td>started service on October 24, 2009. </td></tr> <tr> <td><a href="/wiki/Area_code_510" class="mw-redirect" title="Area code 510">510</a></td> <td><a href="/wiki/Oakland" class="mw-redirect" title="Oakland">Oakland</a>, <a href="/wiki/Fremont,_California" title="Fremont, California">Fremont</a>, <a href="/wiki/Hayward,_California" title="Hayward, California">Hayward</a>, <a href="/wiki/Berkeley,_California" title="Berkeley, California">Berkeley</a> and <a href="/wiki/Richmond,_California" title="Richmond, California">Richmond</a>; western <a href="/wiki/Alameda_County,_California" title="Alameda County, California">Alameda</a> and <a href="/wiki/Contra_Costa_County,_California" title="Contra Costa County, California">Contra Costa</a> Counties.</td> <td>Split from 415 on September 2, 1991; overlaid by 341 on July 22, 2019 </td></tr> <tr> <td><a href="/wiki/Area_code_530" class="mw-redirect" title="Area code 530">530</a></td> <td><a href="/wiki/Redding,_California" title="Redding, California">Redding</a>, <a href="/wiki/Chico,_California" title="Chico, California">Chico</a>, <a href="/wiki/Davis,_California" title="Davis, California">Davis</a>, <a href="/wiki/Marysville,_California" title="Marysville, California">Marysville</a>, <a href="/wiki/Red_Bluff,_California" title="Red Bluff, California">Red Bluff</a>, <a href="/wiki/Oroville,_California" title="Oroville, California">Oroville</a>, <a href="/wiki/Placerville,_California" title="Placerville, California">Placerville</a>, <a href="/wiki/Truckee" class="mw-redirect" title="Truckee">Truckee</a>, <a href="/wiki/Yuba_City" class="mw-redirect" title="Yuba City">Yuba City</a>; northeastern California including most of the <a href="/wiki/Sacramento_Valley" title="Sacramento Valley">Sacramento Valley</a>, the northern Sierra Nevada and the <a href="/wiki/Lake_Tahoe" title="Lake Tahoe">Lake Tahoe</a> region.</td> <td>Split from 916 on November 1, 1997 </td></tr> <tr> <td><a href="/wiki/Area_code_559" title="Area code 559">559</a></td> <td><a href="/wiki/Fresno" class="mw-redirect" title="Fresno">Fresno</a>, <a href="/wiki/Visalia" class="mw-redirect" title="Visalia">Visalia</a>, <a href="/wiki/Madera,_California" title="Madera, California">Madera</a>, <a href="/wiki/Hanford,_California" title="Hanford, California">Hanford</a>; the central San Joaquin Valley and the southern Sierra Nevada range.</td> <td>Split from 209 on November 14, 1998 </td></tr> <tr> <td><a href="/wiki/Area_code_562" title="Area code 562">562</a></td> <td><a href="/wiki/Long_Beach" class="mw-redirect" title="Long Beach">Long Beach</a>, <a href="/wiki/Whittier,_California" title="Whittier, California">Whittier</a>, <a href="/wiki/Norwalk,_California" title="Norwalk, California">Norwalk</a>, <a href="/wiki/Lakewood,_California" title="Lakewood, California">Lakewood</a>, <a href="/wiki/Bellflower,_California" title="Bellflower, California">Bellflower</a>, <a href="/wiki/Cerritos,_California" title="Cerritos, California">Cerritos</a>, southeast <a href="/wiki/Los_Angeles_County" class="mw-redirect" title="Los Angeles County">Los Angeles County</a> and a small portion of coastal <a href="/wiki/Orange_County,_California" title="Orange County, California">Orange County</a>.</td> <td>Split from 310 on January 25, 1997 </td></tr> <tr> <td><a href="/wiki/Area_code_619" class="mw-redirect" title="Area code 619">619</a></td> <td>City of <a href="/wiki/San_Diego" title="San Diego">San Diego</a> and suburbs</td> <td>created by a split from 714 on November 5, 1982; split off 760 on March 22, 1997, and 858 on June 12, 1999; re-merged with 858 in June 2018 to create the 619/858 overlay </td></tr> <tr> <td><a href="/wiki/Area_code_626" title="Area code 626">626</a></td> <td>Most of the <a href="/wiki/San_Gabriel_Valley" title="San Gabriel Valley">San Gabriel Valley</a> including <a href="/wiki/Pasadena" class="mw-redirect" title="Pasadena">Pasadena</a>, <a href="/wiki/El_Monte,_California" title="El Monte, California">El Monte</a>, <a href="/wiki/West_Covina" class="mw-redirect" title="West Covina">West Covina</a>.</td> <td>Split from <a href="/wiki/Area_code_818" class="mw-redirect" title="Area code 818">818</a> on June 14, 1997 </td></tr> <tr> <td><a href="/wiki/Area_code_628" class="mw-redirect" title="Area code 628">628</a></td> <td><a href="/wiki/San_Francisco" title="San Francisco">San Francisco</a>, <a href="/wiki/San_Rafael,_California" title="San Rafael, California">San Rafael</a>, <a href="/wiki/Novato" class="mw-redirect" title="Novato">Novato</a>; all of <a href="/wiki/San_Francisco_County" class="mw-redirect" title="San Francisco County">San Francisco County</a>, most of <a href="/wiki/Marin_County" class="mw-redirect" title="Marin County">Marin County</a> and a small portion of northern <a href="/wiki/San_Mateo_County" class="mw-redirect" title="San Mateo County">San Mateo County</a></td> <td>Overlay with 415, started service on March 21, 2015<sup id="cite_ref-overlay628_4-1" class="reference"><a href="#cite_note-overlay628-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Area_code_650" title="Area code 650">650</a></td> <td><a href="/wiki/San_Mateo,_California" title="San Mateo, California">San Mateo</a>, <a href="/wiki/Palo_Alto" class="mw-redirect" title="Palo Alto">Palo Alto</a>, <a href="/wiki/Redwood_City" class="mw-redirect" title="Redwood City">Redwood City</a>, <a href="/wiki/Daly_City" class="mw-redirect" title="Daly City">Daly City</a>; most of San Mateo County and northwestern Santa Clara County (i.e., the <a href="/wiki/San_Francisco_Peninsula" title="San Francisco Peninsula">San Francisco Peninsula</a> with the exception of the city and county of San Francisco).</td> <td>Split from 415 on August 2, 1997 </td></tr> <tr> <td><a href="/wiki/Area_code_657" class="mw-redirect" title="Area code 657">657</a></td> <td><a href="/wiki/Anaheim" class="mw-redirect" title="Anaheim">Anaheim</a>, <a href="/wiki/Huntington_Beach" class="mw-redirect" title="Huntington Beach">Huntington Beach</a>, <a href="/wiki/Santa_Ana,_California" title="Santa Ana, California">Santa Ana</a>, <a href="/wiki/Orange,_California" title="Orange, California">Orange</a>, <a href="/wiki/Westminster,_California" title="Westminster, California">Westminster</a>, <a href="/wiki/Garden_Grove,_California" title="Garden Grove, California">Garden Grove</a>, etc.; northern and western Orange County</td> <td>Overlay with 714, started service on September 23, 2008 </td></tr> <tr> <td><a href="/wiki/Area_code_661" title="Area code 661">661</a></td> <td>Most of <a href="/wiki/Kern_County" class="mw-redirect" title="Kern County">Kern County</a> including <a href="/wiki/Bakersfield" class="mw-redirect" title="Bakersfield">Bakersfield</a>; northern <a href="/wiki/Los_Angeles_County" class="mw-redirect" title="Los Angeles County">Los Angeles County</a> including <a href="/wiki/Lancaster,_California" title="Lancaster, California">Lancaster</a>, <a href="/wiki/Palmdale" class="mw-redirect" title="Palmdale">Palmdale</a>, and <a href="/wiki/Santa_Clarita" class="mw-redirect" title="Santa Clarita">Santa Clarita</a>.</td> <td>Split from <a href="/wiki/Area_code_805" class="mw-redirect" title="Area code 805">805</a> on February 13, 1999 </td></tr> <tr> <td><a href="/wiki/Area_code_669" class="mw-redirect" title="Area code 669">669</a></td> <td><a href="/wiki/San_Jose,_California" title="San Jose, California">San Jose</a>, <a href="/wiki/Sunnyvale" class="mw-redirect" title="Sunnyvale">Sunnyvale</a>, <a href="/wiki/Gilroy,_California" title="Gilroy, California">Gilroy</a>, <a href="/wiki/Morgan_Hill" class="mw-redirect" title="Morgan Hill">Morgan Hill</a>, and <a href="/wiki/Los_Gatos" class="mw-redirect" title="Los Gatos">Los Gatos</a>; most of <a href="/wiki/Santa_Clara_County" class="mw-redirect" title="Santa Clara County">Santa Clara County</a>.</td> <td>Overlay with 408, started service on November 20, 2012 </td></tr> <tr> <td><a href="/wiki/Area_code_707" class="mw-redirect" title="Area code 707">707</a></td> <td><a href="/wiki/Santa_Rosa,_California" title="Santa Rosa, California">Santa Rosa</a>, <a href="/wiki/Eureka,_California" title="Eureka, California">Eureka</a>, <a href="/wiki/Sebastopol,_California" title="Sebastopol, California">Sebastopol</a>, <a href="/wiki/Petaluma" class="mw-redirect" title="Petaluma">Petaluma</a>, <a href="/wiki/Napa,_California" title="Napa, California">Napa</a>, <a href="/wiki/Vallejo,_California" title="Vallejo, California">Vallejo</a>, <a href="/wiki/Fairfield,_California" title="Fairfield, California">Fairfield</a>; northwestern California, including the northern <a href="/wiki/Bay_Area" class="mw-redirect" title="Bay Area">Bay Area</a>, the <a href="/wiki/Redwood_Empire" class="mw-redirect" title="Redwood Empire">Redwood Empire</a> and the <a href="/wiki/Wine_Country" title="Wine Country">Wine Country</a>.</td> <td>Split from 916 on March 1, 1959 </td></tr> <tr> <td><a href="/wiki/Area_code_714" class="mw-redirect" title="Area code 714">714</a></td> <td><a href="/wiki/Anaheim" class="mw-redirect" title="Anaheim">Anaheim</a>, <a href="/wiki/Huntington_Beach" class="mw-redirect" title="Huntington Beach">Huntington Beach</a>, <a href="/wiki/Santa_Ana,_California" title="Santa Ana, California">Santa Ana</a>, <a href="/wiki/Orange,_California" title="Orange, California">Orange</a>, <a href="/wiki/Westminster,_California" title="Westminster, California">Westminster</a>, <a href="/wiki/Garden_Grove,_California" title="Garden Grove, California">Garden Grove</a>, etc.; northern and western Orange County</td> <td>Split from 213 in 1951 and split numerous times since then; overlaid by 657 on September 23, 2008 </td></tr> <tr> <td><a href="/wiki/Area_code_738" class="mw-redirect" title="Area code 738">738</a></td> <td>overlay with 213 and 323</td> <td>started service on November 1, 2024. </td></tr> <tr> <td><a href="/wiki/Area_code_747" class="mw-redirect" title="Area code 747">747</a></td> <td>The <a href="/wiki/San_Fernando_Valley" title="San Fernando Valley">San Fernando Valley</a> of <a href="/wiki/Los_Angeles_County" class="mw-redirect" title="Los Angeles County">Los Angeles County</a>: <a href="/wiki/Burbank,_California" title="Burbank, California">Burbank</a>, <a href="/wiki/Van_Nuys" title="Van Nuys">Van Nuys</a>, <a href="/wiki/Glendale,_California" title="Glendale, California">Glendale</a>, <a href="/wiki/Chatsworth,_Los_Angeles" title="Chatsworth, Los Angeles">Chatsworth</a>, <a href="/wiki/San_Fernando,_California" title="San Fernando, California">San Fernando</a>, <a href="/wiki/Panorama_City" class="mw-redirect" title="Panorama City">Panorama City</a> and <a href="/wiki/Northridge,_Los_Angeles" title="Northridge, Los Angeles">Northridge</a>.</td> <td>Overlay with 818, started service on May 18, 2009 </td></tr> <tr> <td><a href="/wiki/Area_code_760" class="mw-redirect" title="Area code 760">760</a></td> <td><a href="/wiki/Palm_Springs" class="mw-redirect" title="Palm Springs">Palm Springs</a>, <a href="/wiki/Oceanside,_California" title="Oceanside, California">Oceanside</a>, <a href="/wiki/Bishop,_California" title="Bishop, California">Bishop</a>, <a href="/wiki/Ridgecrest,_California" title="Ridgecrest, California">Ridgecrest</a>, <a href="/wiki/Barstow,_California" title="Barstow, California">Barstow</a>, <a href="/wiki/El_Centro" class="mw-redirect" title="El Centro">El Centro</a>, <a href="/wiki/Needles,_California" title="Needles, California">Needles</a>, <a href="/wiki/Victorville" class="mw-redirect" title="Victorville">Victorville</a>; northern San Diego County, eastern Riverside and San Bernardino Counties (including much of the <a href="/wiki/Mojave_Desert" title="Mojave Desert">Mojave Desert</a>), and the <a href="/wiki/Owens_Valley" title="Owens Valley">Owens Valley</a>.</td> <td>Split from 619 on March 22, 1997; overlaid by 442 on October 24, 2009 </td></tr> <tr> <td><a href="/wiki/Area_code_805" class="mw-redirect" title="Area code 805">805</a></td> <td><a href="/wiki/Santa_Barbara,_California" title="Santa Barbara, California">Santa Barbara</a>, <a href="/wiki/San_Luis_Obispo" class="mw-redirect" title="San Luis Obispo">San Luis Obispo</a>, <a href="/wiki/Ventura,_California" title="Ventura, California">Ventura</a>, <a href="/wiki/Oxnard" class="mw-redirect" title="Oxnard">Oxnard</a>, <a href="/wiki/Santa_Maria,_California" title="Santa Maria, California">Santa Maria</a>, <a href="/wiki/Santa_Paula" class="mw-redirect" title="Santa Paula">Santa Paula</a>; southwest <a href="/wiki/Central_Coast_(California)" title="Central Coast (California)">Central Coast</a>, including <a href="/wiki/San_Luis_Obispo_County,_California" title="San Luis Obispo County, California">San Luis Obispo</a>, <a href="/wiki/Santa_Barbara_County,_California" title="Santa Barbara County, California">Santa Barbara</a> and <a href="/wiki/Ventura_County,_California" title="Ventura County, California">Ventura</a> counties.</td> <td>Split from 213 on January 1, 1957; split off 661 on February 13, 1999; overlaid with 820 on July 2, 2018. </td></tr> <tr> <td><a href="/wiki/Area_code_818" class="mw-redirect" title="Area code 818">818</a></td> <td>The <a href="/wiki/San_Fernando_Valley" title="San Fernando Valley">San Fernando Valley</a> of <a href="/wiki/Los_Angeles_County" class="mw-redirect" title="Los Angeles County">Los Angeles County</a>: <a href="/wiki/Burbank,_California" title="Burbank, California">Burbank</a>, <a href="/wiki/Van_Nuys" title="Van Nuys">Van Nuys</a>, <a href="/wiki/Glendale,_California" title="Glendale, California">Glendale</a>, <a href="/wiki/Chatsworth,_Los_Angeles" title="Chatsworth, Los Angeles">Chatsworth</a>, <a href="/wiki/San_Fernando,_California" title="San Fernando, California">San Fernando</a>, <a href="/wiki/Panorama_City" class="mw-redirect" title="Panorama City">Panorama City</a> and <a href="/wiki/Northridge,_Los_Angeles" title="Northridge, Los Angeles">Northridge</a>.</td> <td>Split from 213 on January 7, 1984; split off 626 on June 14, 1997; overlaid by 747 on May 18, 2009 </td></tr> <tr> <td><a href="/wiki/Area_code_820" class="mw-redirect" title="Area code 820">820</a></td> <td><a href="/wiki/Santa_Barbara,_California" title="Santa Barbara, California">Santa Barbara</a>, <a href="/wiki/San_Luis_Obispo" class="mw-redirect" title="San Luis Obispo">San Luis Obispo</a>, <a href="/wiki/Ventura,_California" title="Ventura, California">Ventura</a>, <a href="/wiki/Oxnard" class="mw-redirect" title="Oxnard">Oxnard</a>, <a href="/wiki/Santa_Maria,_California" title="Santa Maria, California">Santa Maria</a>, <a href="/wiki/Santa_Paula" class="mw-redirect" title="Santa Paula">Santa Paula</a>; southwest <a href="/wiki/Central_Coast_(California)" title="Central Coast (California)">Central Coast</a>, including <a href="/wiki/San_Luis_Obispo_County,_California" title="San Luis Obispo County, California">San Luis Obispo</a>, <a href="/wiki/Santa_Barbara_County,_California" title="Santa Barbara County, California">Santa Barbara</a> and <a href="/wiki/Ventura_County,_California" title="Ventura County, California">Ventura</a> counties.</td> <td>Overlay with 805, started service on July 2, 2018 </td></tr> <tr> <td><a href="/wiki/Area_code_831" title="Area code 831">831</a></td> <td><a href="/wiki/Monterey" class="mw-redirect" title="Monterey">Monterey</a>, <a href="/wiki/Santa_Cruz,_California" title="Santa Cruz, California">Santa Cruz</a>, <a href="/wiki/Salinas,_California" title="Salinas, California">Salinas</a>, and <a href="/wiki/Hollister,_California" title="Hollister, California">Hollister</a>; the northern <a href="/wiki/Central_Coast_(California)" title="Central Coast (California)">Central Coast</a>.</td> <td>Split from 408 on July 11, 1998 </td></tr> <tr> <td><a href="/wiki/Area_code_530" class="mw-redirect" title="Area code 530">837</a></td> <td>overlay with 530</td> <td>started service on January 31, 2025. </td></tr> <tr> <td><a href="/wiki/Area_code_840" class="mw-redirect" title="Area code 840">840</a></td> <td><a href="/wiki/San_Bernardino" class="mw-redirect" title="San Bernardino">San Bernardino</a>, <a href="/wiki/Ontario,_California" title="Ontario, California">Ontario</a>, <a href="/wiki/Pomona,_California" title="Pomona, California">Pomona</a>, and <a href="/wiki/Chino,_California" title="Chino, California">Chino</a>; eastern Los Angeles County and southwestern <a href="/wiki/San_Bernardino_County" class="mw-redirect" title="San Bernardino County">San Bernardino County</a>.</td> <td>Overlay of 909 effective February 23, 2021 </td></tr> <tr> <td><a href="/wiki/Area_code_858" class="mw-redirect" title="Area code 858">858</a></td> <td>City of <a href="/wiki/San_Diego" title="San Diego">San Diego</a> and suburbs</td> <td>Originally created by a split from 619 on June 12, 1999; however, re-merged with 619 to create the 619/858 overlay in June 2018<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Area_code_909" class="mw-redirect" title="Area code 909">909</a></td> <td><a href="/wiki/San_Bernardino" class="mw-redirect" title="San Bernardino">San Bernardino</a>, <a href="/wiki/Ontario,_California" title="Ontario, California">Ontario</a>, <a href="/wiki/Pomona,_California" title="Pomona, California">Pomona</a>, and <a href="/wiki/Chino,_California" title="Chino, California">Chino</a>; eastern Los Angeles County and southwestern <a href="/wiki/San_Bernardino_County" class="mw-redirect" title="San Bernardino County">San Bernardino County</a>.</td> <td>Split from 714 on November 14, 1992; split off 951 on July 17, 2004; overlaid with 840 effective February 23, 2021. </td></tr> <tr> <td><a href="/wiki/Area_code_916" class="mw-redirect" title="Area code 916">916</a></td> <td><a href="/wiki/Sacramento" class="mw-redirect" title="Sacramento">Sacramento</a> and most of the Sacramento metro: <a href="/wiki/Folsom,_California" title="Folsom, California">Folsom</a>, <a href="/wiki/Roseville,_California" title="Roseville, California">Roseville</a>; <a href="/wiki/Sacramento_County" class="mw-redirect" title="Sacramento County">Sacramento County</a> and southern <a href="/wiki/Placer_County" class="mw-redirect" title="Placer County">Placer County</a></td> <td>October 1947; overlaid with 279 on March 10, 2018 </td></tr> <tr> <td><a href="/wiki/Area_code_925" title="Area code 925">925</a></td> <td><a href="/wiki/Concord,_California" title="Concord, California">Concord</a>, <a href="/wiki/Walnut_Creek,_California" title="Walnut Creek, California">Walnut Creek</a>, <a href="/wiki/Livermore,_California" title="Livermore, California">Livermore</a>, <a href="/wiki/Pleasanton,_California" title="Pleasanton, California">Pleasanton</a>, <a href="/wiki/San_Ramon,_California" title="San Ramon, California">San Ramon</a>, <a href="/wiki/Martinez,_California" title="Martinez, California">Martinez</a>, and <a href="/wiki/Antioch,_California" title="Antioch, California">Antioch</a>; eastern Alameda and Contra Costa Counties.</td> <td>Split from 510 on March 14, 1998 </td></tr> <tr> <td><a href="/wiki/Area_code_949" title="Area code 949">949</a></td> <td><a href="/wiki/Irvine,_California" title="Irvine, California">Irvine</a>, <a href="/wiki/Laguna_Beach" class="mw-redirect" title="Laguna Beach">Laguna Beach</a>, <a href="/wiki/Newport_Beach" class="mw-redirect" title="Newport Beach">Newport Beach</a>, <a href="/wiki/San_Juan_Capistrano" class="mw-redirect" title="San Juan Capistrano">San Juan Capistrano</a>, <a href="/wiki/San_Clemente" class="mw-redirect" title="San Clemente">San Clemente</a>; southern and eastern Orange County.</td> <td>Split from 714 on April 18, 1998 </td></tr> <tr> <td><a href="/wiki/Area_code_951" title="Area code 951">951</a></td> <td><a href="/wiki/Riverside,_California" title="Riverside, California">Riverside</a>, <a href="/wiki/Corona,_California" title="Corona, California">Corona</a>, <a href="/wiki/Moreno_Valley" class="mw-redirect" title="Moreno Valley">Moreno Valley</a>, <a href="/wiki/Perris" class="mw-redirect" title="Perris">Perris</a>, <a href="/wiki/Temecula" class="mw-redirect" title="Temecula">Temecula</a>, <a href="/wiki/Murrieta" class="mw-redirect" title="Murrieta">Murrieta</a>; western <a href="/wiki/Riverside_County" class="mw-redirect" title="Riverside County">Riverside County</a>.</td> <td>Split from 909 on July 17, 2004 </td></tr> </tbody></table> <p><a href="/wiki/Area_code_357" class="mw-redirect" title="Area code 357">357</a> will be an overlay with area code 559 starting on March 26, 2025 (<a rel="nofollow" class="external free" href="https://docs.cpuc.ca.gov/PublishedDocs/Published/G000/M530/K320/530320126.PDF">https://docs.cpuc.ca.gov/PublishedDocs/Published/G000/M530/K320/530320126.PDF</a>). </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_California_area_codes&action=edit&section=1" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_North_American_Numbering_Plan_area_codes" title="List of North American Numbering Plan area codes">List of North American Numbering Plan area codes</a></li> <li><a href="/wiki/North_American_Numbering_Plan" title="North American Numbering Plan">North American Numbering Plan</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_California_area_codes&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-mabbs1947-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-mabbs1947_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMabbs1947–1948" class="citation journal cs1">Mabbs, Ralph (Winter 1947–1948). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_bell-telephone-magazine_winter-1947-1948_26_4/page/n5/">"Nation-Wide Operator Toll Dialing—the Coming Way"</a>. <i>Bell Telephone Magazine</i>. <b>26</b> (4): 181<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-07-01</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Bell+Telephone+Magazine&rft.atitle=Nation-Wide+Operator+Toll+Dialing%E2%80%94the+Coming+Way&rft.ssn=winter&rft.volume=26&rft.issue=4&rft.pages=181&rft.date=1947%2F1948&rft.aulast=Mabbs&rft.aufirst=Ralph&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_bell-telephone-magazine_winter-1947-1948_26_4%2Fpage%2Fn5%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+California+area+codes" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation journal cs1">"New York–California Dialing". <i>Bell Laboratories Record</i>. <b>27</b> (12). AT&T: 447. 1949.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Bell+Laboratories+Record&rft.atitle=New+York%E2%80%93California+Dialing&rft.volume=27&rft.issue=12&rft.pages=447&rft.date=1949&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+California+area+codes" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFMoore1996" class="citation journal cs1">Moore, Carl (1996-02-12). <a rel="nofollow" class="external text" href="https://archive.today/20120710002143/http://massis.lcs.mit.edu/archives/areacodes/history.area.splits.2-96">"history.of.area.splits"</a>. <i>TELECOM Digest</i>. Archived from <a rel="nofollow" class="external text" href="http://massis.lcs.mit.edu/archives/areacodes/history.area.splits.2-96">the original</a> on 2012-07-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-01-06</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=TELECOM+Digest&rft.atitle=history.of.area.splits&rft.date=1996-02-12&rft.aulast=Moore&rft.aufirst=Carl&rft_id=http%3A%2F%2Fmassis.lcs.mit.edu%2Farchives%2Fareacodes%2Fhistory.area.splits.2-96&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+California+area+codes" class="Z3988"></span></span> </li> <li id="cite_note-overlay628-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-overlay628_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-overlay628_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20150226025654/http://www.cpuc.ca.gov/PUC/Telco/generalInfo/Area+Codes/415+Area+Code.htm">"415 Area Code"</a>. State of California. 2014-11-12. Archived from <a rel="nofollow" class="external text" href="http://www.cpuc.ca.gov/PUC/Telco/generalInfo/Area+Codes/415+Area+Code.htm">the original</a> on 2015-02-26<span class="reference-accessdate">. Retrieved <span class="nowrap">2015-02-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=415+Area+Code&rft.pub=State+of+California&rft.date=2014-11-12&rft_id=http%3A%2F%2Fwww.cpuc.ca.gov%2FPUC%2FTelco%2FgeneralInfo%2FArea%2BCodes%2F415%2BArea%2BCode.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+California+area+codes" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nationalnanpa.com/pdf/PL_507.pdf">"Planning Letter PL-507: NPA 619 and 858 Boundary Elimination Overlay (California)"</a> <span class="cs1-format">(PDF)</span>. 2017-05-18<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-07-01</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Planning+Letter+PL-507%3A+NPA+619+and+858+Boundary+Elimination+Overlay+%28California%29&rft.date=2017-05-18&rft_id=https%3A%2F%2Fwww.nationalnanpa.com%2Fpdf%2FPL_507.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+California+area+codes" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_California_area_codes&action=edit&section=3" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nanpa.com/resources/area-code-maps">"Area Code Maps"</a>. NANPA.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Area+Code+Maps&rft.pub=NANPA&rft_id=https%3A%2F%2Fwww.nanpa.com%2Fresources%2Farea-code-maps&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+California+area+codes" class="Z3988"></span></li></ul> <p><br /> </p> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output 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href="/wiki/Special:EditPage/Template:Area_code_list" title="Special:EditPage/Template:Area code list"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Lists_of_area_codes_in_the_North_American_Numbering_Plan141" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_North_American_Numbering_Plan_area_codes" title="List of North American Numbering Plan area codes">Lists</a> of <a href="/wiki/Area_code" class="mw-redirect" title="Area code">area codes</a> in the <a href="/wiki/North_American_Numbering_Plan" title="North American Numbering Plan">North American Numbering Plan</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">United States</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_Alabama_area_codes" title="List of Alabama area codes">Alabama</a></li> <li><a href="/wiki/Area_code_907" title="Area code 907">Alaska</a></li> <li><a href="/wiki/List_of_Arizona_area_codes" title="List of Arizona area codes">Arizona</a></li> <li><a href="/wiki/List_of_Arkansas_area_codes" title="List of Arkansas area codes">Arkansas</a></li> <li><a class="mw-selflink selflink">California</a></li> <li><a href="/wiki/List_of_Colorado_area_codes" title="List of Colorado area codes">Colorado</a></li> <li><a href="/wiki/List_of_Connecticut_area_codes" title="List of Connecticut area codes">Connecticut</a></li> <li><a href="/wiki/Area_code_302" title="Area code 302">Delaware</a></li> <li><a href="/wiki/Area_codes_202_and_771" title="Area codes 202 and 771">District of Columbia</a></li> <li><a href="/wiki/List_of_Florida_area_codes" title="List of Florida area codes">Florida</a></li> <li><a href="/wiki/List_of_Georgia_area_codes" title="List of Georgia area codes">Georgia</a></li> <li><a href="/wiki/Area_code_808" title="Area code 808">Hawaii</a></li> <li><a href="/wiki/Area_codes_208_and_986" title="Area codes 208 and 986">Idaho</a></li> <li><a href="/wiki/List_of_Illinois_area_codes" title="List of Illinois area codes">Illinois</a></li> <li><a href="/wiki/List_of_Indiana_area_codes" title="List of Indiana area codes">Indiana</a></li> <li><a href="/wiki/List_of_Iowa_area_codes" title="List of Iowa area codes">Iowa</a></li> <li><a href="/wiki/List_of_Kansas_area_codes" title="List of Kansas area codes">Kansas</a></li> <li><a href="/wiki/List_of_Kentucky_area_codes" title="List of Kentucky area codes">Kentucky</a></li> <li><a href="/wiki/List_of_Louisiana_area_codes" title="List of Louisiana area codes">Louisiana</a></li> <li><a href="/wiki/Area_code_207" title="Area code 207">Maine</a></li> <li><a href="/wiki/List_of_Maryland_area_codes" title="List of Maryland area codes">Maryland</a></li> <li><a href="/wiki/List_of_Massachusetts_area_codes" title="List of Massachusetts area codes">Massachusetts</a></li> <li><a href="/wiki/List_of_Michigan_area_codes" title="List of Michigan area codes">Michigan</a></li> <li><a href="/wiki/List_of_Minnesota_area_codes" title="List of Minnesota area codes">Minnesota</a></li> <li><a href="/wiki/List_of_Mississippi_area_codes" title="List of Mississippi area codes">Mississippi</a></li> <li><a href="/wiki/List_of_Missouri_area_codes" title="List of Missouri area codes">Missouri</a></li> <li><a href="/wiki/Area_code_406" title="Area code 406">Montana</a></li> <li><a href="/wiki/List_of_Nebraska_area_codes" title="List of Nebraska area codes">Nebraska</a></li> <li><a href="/wiki/List_of_Nevada_area_codes" title="List of Nevada area codes">Nevada</a></li> <li><a href="/wiki/Area_code_603" title="Area code 603">New Hampshire</a></li> <li><a href="/wiki/List_of_New_Jersey_area_codes" title="List of New Jersey area codes">New Jersey</a></li> <li><a href="/wiki/List_of_New_Mexico_area_codes" title="List of New Mexico area codes">New Mexico</a></li> <li><a href="/wiki/List_of_New_York_area_codes" title="List of New York area codes">New York</a></li> <li><a href="/wiki/List_of_North_Carolina_area_codes" title="List of North Carolina area codes">North Carolina</a></li> <li><a href="/wiki/Area_code_701" title="Area code 701">North Dakota</a></li> <li><a href="/wiki/List_of_Ohio_area_codes" title="List of Ohio area codes">Ohio</a></li> <li><a href="/wiki/List_of_Oklahoma_area_codes" title="List of Oklahoma area codes">Oklahoma</a></li> <li><a href="/wiki/List_of_Oregon_area_codes" title="List of Oregon area codes">Oregon</a></li> <li><a href="/wiki/List_of_Pennsylvania_area_codes" title="List of Pennsylvania area codes">Pennsylvania</a></li> <li><a href="/wiki/Area_code_401" title="Area code 401">Rhode Island</a></li> <li><a href="/wiki/List_of_South_Carolina_area_codes" title="List of South Carolina area codes">South Carolina</a></li> <li><a href="/wiki/Area_code_605" title="Area code 605">South Dakota</a></li> <li><a href="/wiki/List_of_Tennessee_area_codes" title="List of Tennessee area codes">Tennessee</a></li> <li><a href="/wiki/List_of_Texas_area_codes" title="List of Texas area codes">Texas</a></li> <li><a href="/wiki/List_of_Utah_area_codes" title="List of Utah area codes">Utah</a></li> <li><a href="/wiki/Area_code_710" title="Area code 710">U.S. Government</a></li> <li><a href="/wiki/Area_code_802" title="Area code 802">Vermont</a></li> <li><a href="/wiki/List_of_Virginia_area_codes" title="List of Virginia area codes">Virginia</a></li> <li><a href="/wiki/List_of_Washington_(state)_area_codes" title="List of Washington (state) area codes">Washington</a></li> <li><a href="/wiki/Area_codes_304_and_681" title="Area codes 304 and 681">West Virginia</a></li> <li><a href="/wiki/List_of_Wisconsin_area_codes" title="List of Wisconsin area codes">Wisconsin</a></li> <li><a href="/wiki/Area_code_307" title="Area code 307">Wyoming</a></li> <li><i><a href="/wiki/Area_code_684" title="Area code 684">American Samoa</a></i></li> <li><i><a href="/wiki/Area_code_671" title="Area code 671">Guam</a></i></li> <li><i><a href="/wiki/Area_code_670" title="Area code 670">Northern Marianas</a></i></li> <li><i><a href="/wiki/Telephone_numbers_in_Puerto_Rico" title="Telephone numbers in Puerto Rico">Puerto Rico</a></i></li> <li><i><a href="/wiki/Area_code_340" title="Area code 340">U.S. Virgin Islands</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Telephone_numbers_in_Canada" title="Telephone numbers in Canada">Canada</a></li> <li><a href="/wiki/Area_codes_in_the_Caribbean" title="Area codes in the Caribbean">Caribbean</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Former</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Telephone_numbers_in_Belize" title="Telephone numbers in Belize">Belize</a></li> <li><a href="/wiki/Telephone_numbers_in_Costa_Rica" title="Telephone numbers in Costa Rica">Costa Rica</a></li> <li><a href="/wiki/Telephone_numbers_in_Cuba" title="Telephone numbers in Cuba">Cuba</a></li> <li><a href="/wiki/Telephone_numbers_in_El_Salvador" title="Telephone numbers in El Salvador">El Salvador</a></li> <li><a href="/wiki/Telephone_numbers_in_Guatemala" title="Telephone numbers in Guatemala">Guatemala</a></li> <li><a href="/wiki/Telephone_numbers_in_Haiti" title="Telephone numbers in Haiti">Haiti</a></li> <li><a href="/wiki/Telephone_numbers_in_Honduras" title="Telephone numbers in Honduras">Honduras</a></li> <li><a href="/wiki/Telephone_numbers_in_Mexico" title="Telephone numbers in Mexico">Mexico</a></li> <li><a href="/wiki/Telephone_numbers_in_Nicaragua" title="Telephone numbers in Nicaragua">Nicaragua</a></li> <li><a href="/wiki/Telephone_numbers_in_Panama" title="Telephone 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