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class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=ZIP+code" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="More options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_simple.wikipedia.org&uselang=en"><span>Give to Wikipedia</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=ZIP+code" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create 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changes from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-Background" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Background"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Background</span> </div> </a> <button aria-controls="toc-Background-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Background subsection</span> </button> <ul id="toc-Background-sublist" class="vector-toc-list"> <li id="toc-ZIP_+_4" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#ZIP_+_4"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>ZIP + 4</span> </div> </a> <ul id="toc-ZIP_+_4-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Structure_and_allocation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Structure_and_allocation"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Structure and allocation</span> </div> </a> <ul id="toc-Structure_and_allocation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Related_pages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Related_pages"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Related pages</span> </div> </a> <ul id="toc-Related_pages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_websites" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Other_websites"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Other websites</span> </div> </a> <ul id="toc-Other_websites-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">ZIP code</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 38 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-38" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">38 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8A%A0%E1%8A%AB%E1%89%A3%E1%89%A2%E1%8B%AB%E1%8B%8A_%E1%88%98%E1%88%88%E1%8B%AB_%E1%89%81%E1%8C%A5%E1%88%AD" title="አካባቢያዊ መለያ ቁጥር – Amharic" lang="am" hreflang="am" data-title="አካባቢያዊ መለያ ቁጥር" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D9%85%D9%88%D8%B2_%D8%A8%D8%B1%D9%8A%D8%AF_%D8%A7%D9%84%D9%88%D9%84%D8%A7%D9%8A%D8%A7%D8%AA_%D8%A7%D9%84%D9%85%D8%AA%D8%AD%D8%AF%D8%A9" title="رموز بريد الولايات المتحدة – Arabic" lang="ar" hreflang="ar" data-title="رموز بريد الولايات المتحدة" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%9C%E0%A6%BF%E0%A6%AA_%E0%A6%95%E0%A7%8B%E0%A6%A1" title="জিপ কোড – Bangla" lang="bn" hreflang="bn" data-title="জিপ কোড" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/ZIP_%D0%BA%D0%BE%D0%B4" title="ZIP код – Bulgarian" lang="bg" hreflang="bg" data-title="ZIP код" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/ZIP-Code" title="ZIP-Code – German" lang="de" hreflang="de" data-title="ZIP-Code" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/ZIP_Code" title="ZIP Code – English" lang="en" hreflang="en" data-title="ZIP Code" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/C%C3%B3digo_ZIP" title="Código ZIP – Spanish" lang="es" hreflang="es" data-title="Código ZIP" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Po%C5%9Dtkodoj_en_Usono" title="Poŝtkodoj en Usono – Esperanto" lang="eo" hreflang="eo" data-title="Poŝtkodoj en Usono" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B2%DB%8C%D9%BE%E2%80%8C%DA%A9%D8%AF" title="زیپ‌کد – Persian" lang="fa" hreflang="fa" data-title="زیپ‌کد" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Code_ZIP" title="Code ZIP – French" lang="fr" hreflang="fr" data-title="Code ZIP" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/C%C3%B3d_ZIP" title="Cód ZIP – Irish" lang="ga" hreflang="ga" data-title="Cód ZIP" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%9D%E0%AB%80%E0%AA%AA_%E0%AA%95%E0%AB%8B%E0%AA%A1" title="ઝીપ કોડ – Gujarati" lang="gu" hreflang="gu" data-title="ઝીપ કોડ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/ZIP_%EC%BD%94%EB%93%9C" title="ZIP 코드 – Korean" lang="ko" hreflang="ko" data-title="ZIP 코드" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%9C%E0%A4%BC%E0%A4%BF%E0%A4%AA_%E0%A4%95%E0%A5%8B%E0%A4%A1" title="ज़िप कोड – Hindi" lang="hi" hreflang="hi" data-title="ज़िप कोड" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/ZIP_kod" title="ZIP kod – Croatian" lang="hr" hreflang="hr" data-title="ZIP kod" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kode_ZIP" title="Kode ZIP – Indonesian" lang="id" hreflang="id" data-title="Kode ZIP" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Zoning_Improvement_Plan" title="Zoning Improvement Plan – Italian" lang="it" hreflang="it" data-title="Zoning Improvement Plan" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/ZIP_%E0%B2%B8%E0%B2%82%E0%B2%95%E0%B3%87%E0%B2%A4" title="ZIP ಸಂಕೇತ – Kannada" lang="kn" hreflang="kn" data-title="ZIP ಸಂಕೇತ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/ZIP-k%C3%B3d" title="ZIP-kód – Hungarian" lang="hu" hreflang="hu" data-title="ZIP-kód" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kod_ZIP" title="Kod ZIP – Malay" lang="ms" hreflang="ms" data-title="Kod ZIP" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Postcodes_in_de_Verenigde_Staten" title="Postcodes in de Verenigde Staten – Dutch" lang="nl" hreflang="nl" data-title="Postcodes in de Verenigde Staten" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/ZIP%E3%82%B3%E3%83%BC%E3%83%89" title="ZIPコード – Japanese" lang="ja" hreflang="ja" data-title="ZIPコード" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/ZIP_kod" title="ZIP kod – Uzbek" lang="uz" hreflang="uz" data-title="ZIP kod" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/ZIP_Code" title="ZIP Code – Portuguese" lang="pt" hreflang="pt" data-title="ZIP Code" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Cod_ZIP" title="Cod ZIP – Romanian" lang="ro" hreflang="ro" data-title="Cod ZIP" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/ZIP-%D0%BA%D0%BE%D0%B4" title="ZIP-код – Russian" lang="ru" hreflang="ru" data-title="ZIP-код" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Define:ZIP_code" title="Define:ZIP code – Scots" lang="sco" hreflang="sco" data-title="Define:ZIP code" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%97%D0%98%D0%9F_%D0%BA%D0%BE%D0%B4" title="ЗИП код – Serbian" lang="sr" hreflang="sr" data-title="ЗИП код" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/ZIP_kod" title="ZIP kod – Serbo-Croatian" lang="sh" hreflang="sh" data-title="ZIP kod" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/ZIP-kod" title="ZIP-kod – Swedish" lang="sv" hreflang="sv" data-title="ZIP-kod" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%BF%E0%AE%AA%E0%AF%8D_%E0%AE%95%E0%AF%81%E0%AE%B1%E0%AE%BF%E0%AE%AF%E0%AF%80%E0%AE%9F%E0%AF%81" title="சிப் குறியீடு – Tamil" lang="ta" hreflang="ta" data-title="சிப் குறியீடு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8E%AA%E1%8F%AA%E1%8E%B5_%E1%8F%A7%E1%8F%AA%E1%8F%93%E1%8F%8D%E1%8F%97_%E1%8F%97%E1%8F%8E%E1%8F%8D%E1%8F%97" title="ᎪᏪᎵ ᏧᏪᏓᏍᏗ ᏗᏎᏍᏗ – Cherokee" lang="chr" hreflang="chr" data-title="ᎪᏪᎵ ᏧᏪᏓᏍᏗ ᏗᏎᏍᏗ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="Cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/ZIP_kodu" title="ZIP kodu – Turkish" lang="tr" hreflang="tr" data-title="ZIP kodu" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/ZIP-%D0%BA%D0%BE%D0%B4" title="ZIP-код – Ukrainian" lang="uk" hreflang="uk" data-title="ZIP-код" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B2%D9%BE_%DA%A9%D9%88%DA%88" title="زپ کوڈ – Urdu" lang="ur" hreflang="ur" data-title="زپ کوڈ" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/M%C3%A3_b%C6%B0u_%C4%91i%E1%BB%87n_Hoa_K%E1%BB%B3" title="Mã bưu điện Hoa Kỳ – Vietnamese" lang="vi" hreflang="vi" data-title="Mã bưu điện Hoa Kỳ" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%96%D7%99%D7%A4_%D7%A7%D7%90%D7%93" title="זיפ קאד – Yiddish" lang="yi" hreflang="yi" data-title="זיפ קאד" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%BE%8E%E5%9C%8B%E9%83%B5%E5%8D%80%E7%B7%A8%E8%99%9F" title="美國郵區編號 – Chinese" lang="zh" hreflang="zh" data-title="美國郵區編號" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=ZIP_code&oldid=9586670" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=ZIP_code&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=ZIP_code&id=9586670&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsimple.wikipedia.org%2Fwiki%2FZIP_code"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsimple.wikipedia.org%2Fwiki%2FZIP_code"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Book&bookcmd=book_creator&referer=ZIP+code"><span>Make a book</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=ZIP_code&action=show-download-screen"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a 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class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <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 Simple English Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=ZIP_Code&redirect=no" class="mw-redirect" title="ZIP Code">ZIP Code</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:UseZipCode.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/UseZipCode.JPG/220px-UseZipCode.JPG" decoding="async" width="220" height="124" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/UseZipCode.JPG/330px-UseZipCode.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/UseZipCode.JPG/440px-UseZipCode.JPG 2x" data-file-width="3318" data-file-height="1868" /></a><figcaption>ZIP code sign from 1963.</figcaption></figure> <p>The <b>ZIP code</b> is the system of <a href="/wiki/Postal_code" title="Postal code">postal codes</a> used by the <a href="/wiki/United_States_Postal_Service" title="United States Postal Service">United States Postal Service</a> (USPS). The letters <i>ZIP</i> is an <a href="/wiki/Acronym" title="Acronym">acronym</a> for <b>Zone Improvement Plan</b>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The letters are written properly in capital letters. The word ZIP was chosen to suggest that the <a href="/wiki/Mail" title="Mail">mail</a> travels more efficiently, and more quickly, when senders use it. The basic ZIP code is made up of five <a href="/wiki/Number" title="Number">numbers</a>. An extended <b>ZIP + 4</b> code includes the five digits of the ZIP code, a <a href="/wiki/Hyphen" title="Hyphen">hyphen</a> and then four more digits. This lets a piece of <a href="/wiki/Mail" title="Mail">mail</a> to be sent to a more exact location than by the ZIP code alone. <i>ZIP Code</i> was a <a href="/wiki/Trademark" title="Trademark">trademark</a> of the U.S. Postal Service but its registration has since ended.<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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Background">Background</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ZIP_code&veaction=edit&section=1" title="Change section: Background" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ZIP_code&action=edit&section=1" title="Edit section's source code: Background"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The postal service started the use of <b>postal zones</b> for large <a href="/wiki/City" title="City">cities</a> in 1943. By the early 1960s a more general system was needed. On July 1, 1963, ZIP codes were created for the whole country but they were not <a href="https://simple.wiktionary.org/wiki/mandatory" class="extiw" title="wikt:mandatory">mandatory</a>. In 1967, these were made mandatory for many types of mail. The system was soon used for all mail. </p> <div class="mw-heading mw-heading3"><h3 id="ZIP_+_4"><span id="ZIP_.2B_4"></span>ZIP + 4</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ZIP_code&veaction=edit&section=2" title="Change section: ZIP + 4" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ZIP_code&action=edit&section=2" title="Edit section's source code: ZIP + 4"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 1983, the U.S. Postal Service began using an expanded ZIP code system called "ZIP + 4", often called "plus-four codes" or "add-on codes." </p> <dl><dd>Wikimedia Foundation Inc.</dd> <dd>200 2nd Ave. South #358</dd> <dd>St. Petersburg, FL 33701-4313</dd></dl> <dl><dd><dl><dd>33701 is the basic ZIP code, 4313 is the "+ 4"</dd></dl></dd></dl> <p>A ZIP + 4 code uses the basic five-digit code plus an additional four digits to identify a <a href="/wiki/Geography" title="Geography">geographic</a> area inside the five-digit delivery area, such as a group of <a href="/wiki/Apartment" title="Apartment">apartments</a>, or a location which gets a large amount of mail. </p> <div class="mw-heading mw-heading2"><h2 id="Structure_and_allocation">Structure and allocation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ZIP_code&veaction=edit&section=3" title="Change section: Structure and allocation" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ZIP_code&action=edit&section=3" title="Edit section's source code: Structure and allocation"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9671799">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See the main article: <a href="/wiki/List_of_ZIP_Code_prefixes" title="List of ZIP Code prefixes">List of ZIP Code prefixes</a></div> <p>ZIP codes are numbered with the first number representing a certain group of <a href="/wiki/U.S._state" title="U.S. state">U.S. states</a>. The second and third numbers represent a <a href="/wiki/Region" title="Region">region</a> in that group of states or, in some cases, a large city. The fourth and fifth numbers representing a group of delivery addresses within that region. The main town in a region (if applicable) often gets the first ZIP codes for that region. Other towns are often given ZIP codes in numerical order <a href="/wiki/Alphabet" title="Alphabet">alphabetically</a>. </p> <figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:ZIP_Code_zones.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/ZIP_Code_zones.svg/400px-ZIP_Code_zones.svg.png" decoding="async" width="400" height="274" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/ZIP_Code_zones.svg/600px-ZIP_Code_zones.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/24/ZIP_Code_zones.svg/800px-ZIP_Code_zones.svg.png 2x" data-file-width="1024" data-file-height="701" /></a><figcaption></figcaption></figure> <p>The first digit of the ZIP code is used as follows: </p> <ul><li>0 = Connecticut (CT), Massachusetts (MA), <a href="/wiki/Maine" title="Maine">Maine</a> (ME), <a href="/wiki/New_Hampshire" title="New Hampshire">New Hampshire</a> (NH), New Jersey (NJ), Puerto Rico (PR), Rhode Island (RI), Vermont (VT), Virgin Islands (VI), APO Europe (AE), FPO Europe (AE)</li> <li>1 = Delaware (DE), New York (NY), Pennsylvania (PA)</li> <li>2 = District of Columbia (DC), Maryland (MD), North Carolina (NC), <a href="/wiki/South_Carolina" title="South Carolina">South Carolina</a> (SC), Virginia (VA), West Virginia (WV)</li> <li>3 = Alabama (AL), Florida (FL), Georgia (GA), Mississippi (MS), Tennessee (TN), APO Americas (AA), FPO Americas (AA)</li> <li>4 = Indiana (IN), Kentucky (KY), Michigan (MI), Ohio (OH)</li> <li>5 = Iowa (IA), Minnesota (MN), Montana (MT), North Dakota (ND), South Dakota (SD), Wisconsin (WI)</li> <li>6 = Illinois (IL), Kansas (KS), Missouri (MO), Nebraska (NE)</li> <li>7 = Arkansas (AR), Louisiana (LA), Oklahoma (OK), Texas (TX)</li> <li>8 = Arizona (AZ), Colorado (CO), Idaho (ID), New Mexico (NM), Nevada (NV), Utah (UT), Wyoming (WY)</li> <li>9 = Alaska (AK), American Samoa (AS), California (CA), Guam (GU), Hawaii (HI), Marshall Islands (MH), Federated States of Micronesia (FM), Northern Mariana Islands (MP), Oregon (OR), Palau (PW), Washington (WA), APO Pacific (AP), FPO Pacific (AP)</li></ul> <div class="mw-heading mw-heading2"><h2 id="Related_pages">Related pages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ZIP_code&veaction=edit&section=4" title="Change section: Related pages" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ZIP_code&action=edit&section=4" title="Edit section's source code: Related pages"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Postal_code" title="Postal code">Postal code</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=ZIP_code&veaction=edit&section=5" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ZIP_code&action=edit&section=5" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.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-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://glossary.ippaper.com/default.asp?req=glossary/term/2592&catitemid=">"ZIP Code,"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20050427193701/http://glossary.ippaper.com/default.asp?req=glossary%2Fterm%2F2592&catitemid=">Archived</a> 2005-04-27 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> from International Paper Knowledge Center glossary</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://tarr.uspto.gov/servlet/tarr?regser=serial&entry=73001312">Trademark status information</a>, from <a href="/wiki/United_States_Patent_and_Trademark_Office" title="United States Patent and Trademark Office">United States Patent and Trademark Office</a></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Other_websites">Other websites</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ZIP_code&veaction=edit&section=6" title="Change section: Other websites" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ZIP_code&action=edit&section=6" title="Edit section's source code: Other websites"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external 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