{"id":154667,"date":"2022-04-11T13:42:39","date_gmt":"2022-04-11T13:42:39","guid":{"rendered":"https:\/\/sdcmainprod.wpengine.com\/usps\/postage-help-center\/"},"modified":"2024-11-06T23:46:00","modified_gmt":"2024-11-06T23:46:00","slug":"postage-help-center","status":"publish","type":"page","link":"https:\/\/www.stamps.com\/usps\/postage-help-center\/","title":{"rendered":"USPS Postage Help Center, US Postal Service Information"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-usps-mail-classes-and-services\">USPS<sup>\u00ae<\/sup>&nbsp;Mail Classes and Services<\/h2>\n\n<p>Learn more about USPS Mail Classes and Special Services<\/p>\n\n<div class=\"row\">\n<div class=\"col-xs-12 col-sm-4 col-lg-3\">\n<h4>USPS Mail Classes<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/critical-mail\/\">Critical Mail<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/express-mail\/\">Priority Mail Express<\/a><sup>\u00ae<\/sup><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/express-mail-flat-rate\/\">Priority Mail Express Flat Rate<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/first-class-mail\/\">First Class Mail<\/a><sup>\u00ae<\/sup><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/first-class-package-service\/\">First Class Package Service<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/library-mail\/\">Library Mail<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/media-mail\/\">Media Mail<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/military-mail\/\">Military Mail<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/parcel-select\/\">Parcel Select Ground<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/priority-mail\/\">Priority Mail<\/a><sup>\u00ae<\/sup><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/priority-mail-flat-rate\/\">Priority Mail\u00ae Flat Rate<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/priority-mail-regional-rate-box\/\">Regional Rate Boxes<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/standard-post\/\">Standard Post<\/a><sup>\u00ae<\/sup><\/li>\n<\/ul>\n<h4>USPS Mail Types<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/postcards\/\">Postcards<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/large-envelopes\/\">Large Envelopes<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/letters\/\">Letters<\/a><\/li>\n<\/ul>\n<h4>USPS Postage Rates<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/current-postage-rates\/\">Current Postage Rates<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/postage-rate-increase\/\">Postage Rate Increase<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/holiday-shipping-rates\/\">USPS Holiday Rate Increase<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"col-xs-12 col-sm-4 col-lg-3\">\n<h4>USPS Special Services<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/carrier-pickup\/\">Carrier Pickup<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/certified-mail\/\">Certified Mail<\/a>\u2122<\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/what-is-the-cheapest-way-to-ship-a-package\/\">What is the Cheapest Way to Ship a Package<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/difference-between-standard-and-expedited-shipping\/\">What is the Difference Between Standard and Expedited Shipping<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/change-of-address\/\">Change of Address<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/international-shipping\/\">USPS International Shipping<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/usps-international-shipping-rates\/\">USPS International Shipping Rates<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/usps-holidays\/\">USPS Holidays<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/click-n-ship\/\">Click-N-Ship<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/delivery-confirmation\/\">USPS Tracking<\/a>\u2122<\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/forever-stamps\/\">Forever Stamps<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/free-shipping-supplies\/\">Free USPS Shipping Supplies<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/intelligent-mail-barcode\/\">Intelligent Mail Barcode<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/package-intercept\/\">Package Intercept<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/registered-mail\/\">Registered Mail<\/a>\u2122<\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/restricted-delivery\/\">Restricted Delivery<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/return-receipt\/\">Return Receipt<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/return-shipping-label\/\">Return Shipping labels<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/scan-forms\/\">SCAN Forms<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/signature-confirmation\/\">Signature Confirmation<\/a>\u2122<\/li>\n<li><a href=\"https:\/\/www.stamps.com\/shipping\/package-insurance\/\">USPS Package Insurance<\/a><\/li>\n<\/ul>\n<h4>How To Articles<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/how-to-buy-postage-online\/\">How To Buy Postage Online<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/how-to-buy-stamps-online\/\">How To Buy Stamps Online<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/how-to-send-a-letter\/\">How To Send a Letter<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/how-to-ship-package\/\">How to Ship a Package<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/how-to-stop-mail-delivery\/\">How to Stop USPS Mail Delivery<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/how-to-track-a-package\/\">How to Track a Package<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/international-package-tracking\/\">How to Track a USPS International Package<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/calculators\/how-to-use-usps-shipping-calculator\/\">How To Use The USPS Shipping Calculator<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"col-xs-12 col-sm-4 col-lg-3\">\n<h4>International Mail<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/customs-forms\/\">Customs Forms<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/first-class-international\/\">First Class International<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/priority-mail-international\/\">Priority Mail International<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/express-mail-international\/\">Priority Mail Express International<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/international-mail\/\">International Mail<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/shipping\/international-insurance\/\">International Package Insurance<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/postage-online\/international-mail-discounts\/\">International Shipping Discounts<\/a><\/li>\n<\/ul>\n<h4>USPS Tools<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/address-cleansing\/\">Address Cleansing Basics<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/mail-class-guide\/\">Choosing a Mail Class<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/whitepapers\/\">Free White Papers<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/first-class-mail-classification-tool\/\">First Class Mail Classifications<\/a><\/li>\n<\/ul>\n<h4>USPS Pricing<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/commercial-base-pricing\/\">Commercial Base Pricing<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/commercial-plus-pricing\/\">Commercial Plus Pricing<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/cubic-pricing\/\">Cubic Pricing<\/a><\/li>\n<\/ul>\n<h4>USPS Delivery<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/usps-delivery-times\/\">USPS Delivery Times<\/a><\/li>\n<li><a href=\"https:\/\/www.stamps.com\/usps\/usps-sunday-delivery\/\">USPS Sunday Delivery<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>USPS\u00ae&nbsp;Mail Classes and Services Learn more about USPS Mail Classes and Special Services USPS Mail Classes Critical Mail Priority Mail Express\u00ae Priority Mail Express Flat Rate First Class Mail\u00ae First Class Package Service Library Mail Media Mail Military Mail Priority Mail\u00ae Priority Mail\u00ae Flat Rate Regional Rate Boxes Standard Post\u00ae USPS Mail Types Postcards Large [&hellip;]<\/p>\n","protected":false},"author":71,"featured_media":0,"parent":155747,"menu_order":0,"comment_status":"open","ping_status":"open","template":"templates\/generic-usps-center.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-154667","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.1 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>USPS Postage Help Center, US Postal Service Information - Stamps.com<\/title>\n<meta name=\"description\" content=\"Get current USPS postage rates, track packages, and learn about USPS mail classes and special services.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.stamps.com\/usps\/postage-help-center\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"USPS Postage Help Center, US Postal Service Information\" \/>\n<meta property=\"og:description\" content=\"Get current USPS postage rates, track packages, and learn about USPS mail classes and special services.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.stamps.com\/usps\/postage-help-center\/\" \/>\n<meta property=\"og:site_name\" content=\"Stamps.com\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-06T23:46:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/04\/img-stamps-PreviewTile-1200x675-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.stamps.com\/usps\/postage-help-center\/\",\"url\":\"https:\/\/www.stamps.com\/usps\/postage-help-center\/\",\"name\":\"USPS Postage Help Center, US Postal Service Information - Stamps.com\",\"isPartOf\":{\"@id\":\"https:\/\/www.stamps.com\/#website\"},\"datePublished\":\"2022-04-11T13:42:39+00:00\",\"dateModified\":\"2024-11-06T23:46:00+00:00\",\"description\":\"Get current USPS postage rates, track packages, and learn about USPS mail classes and special services.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.stamps.com\/usps\/postage-help-center\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.stamps.com\/usps\/postage-help-center\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.stamps.com\/usps\/postage-help-center\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.stamps.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Protected: USPS\",\"item\":\"https:\/\/www.stamps.com\/usps\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"USPS Postage Help Center, US Postal Service Information\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.stamps.com\/#website\",\"url\":\"https:\/\/www.stamps.com\/\",\"name\":\"Stamps.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.stamps.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.stamps.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.stamps.com\/#organization\",\"name\":\"Stamps.com\",\"url\":\"https:\/\/www.stamps.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg\",\"contentUrl\":\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg\",\"width\":\"1024\",\"height\":\"1024\",\"caption\":\"Stamps.com\"},\"image\":{\"@id\":\"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"USPS Postage Help Center, US Postal Service Information - Stamps.com","description":"Get current USPS postage rates, track packages, and learn about USPS mail classes and special services.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.stamps.com\/usps\/postage-help-center\/","og_locale":"en_US","og_type":"article","og_title":"USPS Postage Help Center, US Postal Service Information","og_description":"Get current USPS postage rates, track packages, and learn about USPS mail classes and special services.","og_url":"https:\/\/www.stamps.com\/usps\/postage-help-center\/","og_site_name":"Stamps.com","article_modified_time":"2024-11-06T23:46:00+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/04\/img-stamps-PreviewTile-1200x675-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.stamps.com\/usps\/postage-help-center\/","url":"https:\/\/www.stamps.com\/usps\/postage-help-center\/","name":"USPS Postage Help Center, US Postal Service Information - Stamps.com","isPartOf":{"@id":"https:\/\/www.stamps.com\/#website"},"datePublished":"2022-04-11T13:42:39+00:00","dateModified":"2024-11-06T23:46:00+00:00","description":"Get current USPS postage rates, track packages, and learn about USPS mail classes and special services.","breadcrumb":{"@id":"https:\/\/www.stamps.com\/usps\/postage-help-center\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.stamps.com\/usps\/postage-help-center\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.stamps.com\/usps\/postage-help-center\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.stamps.com\/"},{"@type":"ListItem","position":2,"name":"Protected: USPS","item":"https:\/\/www.stamps.com\/usps\/"},{"@type":"ListItem","position":3,"name":"USPS Postage Help Center, US Postal Service Information"}]},{"@type":"WebSite","@id":"https:\/\/www.stamps.com\/#website","url":"https:\/\/www.stamps.com\/","name":"Stamps.com","description":"","publisher":{"@id":"https:\/\/www.stamps.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.stamps.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.stamps.com\/#organization","name":"Stamps.com","url":"https:\/\/www.stamps.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg","contentUrl":"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg","width":"1024","height":"1024","caption":"Stamps.com"},"image":{"@id":"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages\/154667","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/users\/71"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/comments?post=154667"}],"version-history":[{"count":0,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages\/154667\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages\/155747"}],"wp:attachment":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/media?parent=154667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}