{"id":290930,"date":"2025-10-30T14:03:02","date_gmt":"2025-10-30T14:03:02","guid":{"rendered":"https:\/\/www.stamps.com\/?page_id=290930"},"modified":"2025-11-12T18:51:15","modified_gmt":"2025-11-12T18:51:15","slug":"address-verification","status":"publish","type":"page","link":"https:\/\/www.stamps.com\/solutions\/address-verification\/","title":{"rendered":"Address Verification"},"content":{"rendered":"\n<style>\n.hero h1 {\nfont-size: clamp(2rem, 3.1rem, 60px);\nline-height: 1.2;\n}\n.hero.shadowHelper{\npadding-top:8px;\npadding-bottom:8px;\n}\nimg.aspect-square,.block-cards .container .card .thumbnail img {\n    aspect-ratio: revert-layer !important;\n}\n.block-cards .container .cards .card .card-content .card-text {\n    gap: 1.25rem !important;\n}\n.block-cards .container .cards .card {\n    gap: 1.75rem !important;\n}\n.addressVerificationRow .column-media{\n    padding:8px 0;\n}\n.addressVerificationRow img{\n    box-shadow:0 0 8px rgba(0,0,0,.1)\n}\n<\/style>\n\n\n<section class=\"block block-hero padding-top--lg padding-bottom--lg \"><div class=\"background--none background--full content--full\">\n\n<div id=\"hero-block-block_b39d45ba4d1679b1b7e37f732edaf113\" class=\"hero-block hero shadowHelper relative\">\n  <div class=\"container\">\n    <div class=\"hero\">\n      <div class=\"  hero-content \">\n                          <h1>Address Verification Software That Improves Deliverability And Reduces Errors<\/h1>\n                          <div class=\"lead max-w-[68rem]\"><p><span style=\"font-weight: 400;\">Stamps.com address verification checks every street address against the USPS database before you print. With CASS-certified technology, you verify an address, standardize the address format, and append ZIP+4 so labels scan cleanly and arrive on time.<\/span><\/p>\n<\/div>\n                          <div class=\"btn-group\">\n                                          <a href='https:\/\/registration.stamps.com\/registration\/' \n                        class='get-started-btn btn btn--red ' \n                        tabindex='1'\n                        type='button'\n                        target=''\n                        \n                        >\n                            Get Started\n                        <\/a>                                                <\/div>\n                \n        \n      <\/div>\n\n      \n                        <div class=\"  hero-media\">\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/verify-address.webp\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/verify-address.webp 649w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/verify-address-300x225.webp 300w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\"  class=\"hero-image\" alt=\"Address verification screen\" width=\"649\" height=\"487\">          <\/div>\n        \n                  <\/div>\n  <\/div>\n\n<\/div>\n<\/div><\/section>\n\n<section class=\"block block-cards padding-top--none padding-bottom--none \"><div class=\"background--grey background--full content--full\">\n\n<div id=\"block-cards-block_da5b9355078d8aa0c49114b93abffcd6\" class=\"block-cards benefitsRow\">\n\t<div class=\"container pb-8\">\n\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--sm \"><div class=\"background--none background--full content--sm\">\n<div id=\"feature-text-block-block_288ea54c952efed55944d497f846be6b\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t\t\t\t\t\t<h2>Send With Confidence, Speed, And Accuracy<\/h2>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p><span style=\"font-weight: 400;\">With automated USPS address validation inside your workflow, you reduce undeliverables, speed up delivery, and control spend without extra steps or extra tools.<\/span><\/p>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\n\t\t\n\t\t\t\t\t<div class=\"cards  columns-3 layout-flex\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card card-icon card-shadow theme-white items-center text-center \">\n\t\t\t\t\t\t\t\n<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/IconThumbsUp-BrandStamps-2-colorTrue.svg\"  sizes=\"auto, (max-width: 1004px) 100vw, 1004px\" loading=\"lazy\" class=\"icon\" alt=\"\" width=\"1004\" height=\"1024\">\n<div class=\"card-content h-full\">\n    <div class=\"card-text\">\n                                <h3 class=\"h5\">Fewer errors and returns<\/h3>\n                             <p><span style=\"font-weight: 400\">Catch typos, bad ZIP code entries, and non-standard abbreviations before a label is created. By validating each street address against the USPS service database, you prevent wasted postage and avoid packages bouncing back. Cleaner data in means successful deliveries out.<\/span><\/p>\n            <\/div>\n\n    <\/div>\n\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card card-icon card-shadow theme-white items-center text-center \">\n\t\t\t\t\t\t\t\n<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/IconPerformance-BrandStamps-2-colorTrue.svg\"  sizes=\"auto, (max-width: 1004px) 100vw, 1004px\" loading=\"lazy\" class=\"icon\" alt=\"\" width=\"1004\" height=\"1024\">\n<div class=\"card-content h-full\">\n    <div class=\"card-text\">\n                                <h3 class=\"h5\">Faster, more reliable delivery<\/h3>\n                             <p><span style=\"font-weight: 400\">Standardization matters. Stamps.com upgrades five-digit ZIPs to ZIP+4, normalizes abbreviations to USPS-preferred formats, and improves scan accuracy so shipments move through USPS postal operations with fewer exceptions. That means faster routing and predictable arrival times.<\/span><\/p>\n            <\/div>\n\n    <\/div>\n\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card card-icon card-shadow theme-white items-center text-center \">\n\t\t\t\t\t\t\t\n<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/IconMoney01-BrandStamps-2-colorTrue.svg\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" loading=\"lazy\" class=\"icon\" alt=\"Lower costs icon\" width=\"1024\" height=\"1024\">\n<div class=\"card-content h-full\">\n    <div class=\"card-text\">\n                                <h3 class=\"h5\">Save time and money automatically<\/h3>\n                             <p><span style=\"font-weight: 400\">Verification happens before you print. There is no separate address verification tool to manage and no add-on charge. Set it once and ship at scale with consistent, USPS-approved results across every order.<\/span><\/p>\n            <\/div>\n\n    <\/div>\n\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"block block-feature-text padding-top--lg padding-bottom--md \"><div class=\"background--none background--full content--md\">\n<div id=\"feature-text-block-block_ccb0d631a9a9525d75c771951105ed82\" class=\"feature-text-block zigZagHeader\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t\t\t\t\t\t<h2>Built-in Capabilities That Verify Every Address And Standardize Every Label<\/h2>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Everything you need to check address validity, standardize output, and keep fulfillment moving is built into Stamps.com. These features work together to improve address matches and label quality across your entire address list.<\/p>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"block block-text-image padding-top--md padding-bottom--md \"><div class=\"background--none background--full content--full\">\n\n<div class=\"text-image-block zigzag zig\">\n\t<div class=\"container\">\n\t\t<div class=\"columns flex-col-reverse\">\n\t\t\t<div class=\"column-content col-span-7 \">\n\t\t\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--none \"><div class=\"background--none background--full content--full\">\n<div id=\"feature-text-block-block_cf3bc0f2531c5290b90ec3bff690708a\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-left\">\n\t\t\t\t\t\t\t\t\t\t<h3>CASS-certified USPS address validation<\/h3>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Validate every destination against the USPS Address Matching Service using CASS-certified software. When an address doesn\u2019t match, suggested corrections appear instantly so you can print the right label the first time. Use it as your everyday address validation tool inside Stamps.com to check address validity without leaving your workflow.<\/p>\n<ul>\n<li>Compares address matches to the USPS database<\/li>\n<li>Suggests corrected spelling and formatting<\/li>\n<li>Ensures USPS-preferred standards are met before label creation<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\t<\/div>\t\n\t\t\t<div class=\"column-media col-span-5 \">\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/img-stamps-usps-mail-class-pricing-website-2x-701x467-fe4251a.webp\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/img-stamps-usps-mail-class-pricing-website-2x-701x467-fe4251a.webp 700w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/img-stamps-usps-mail-class-pricing-website-2x-701x467-fe4251a-300x200.webp 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" loading=\"lazy\" class=\"aspect-square\" alt=\"\" width=\"700\" height=\"467\">\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\t\n\t<\/div>\n<\/div><\/div><\/section>\n\n<section class=\"block block-text-image padding-top--md padding-bottom--md \"><div class=\"background--none background--full content--full\">\n\n<div class=\"text-image-block zigzag zag shadowHelper\">\n\t<div class=\"container\">\n\t\t<div class=\"columns flex-col\">\n\t\t\t<div class=\"column-content col-span-7 order-2\">\n\t\t\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--none \"><div class=\"background--none background--full content--full\">\n<div id=\"feature-text-block-block_0a85437b5637c25a6e417fa92d80a511\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-left\">\n\t\t\t\t\t\t\t\t\t\t<h3>Automatic ZIP+4 completion and standardized address format<\/h3>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Only have a five-digit ZIP code? Stamps.com appends the proper ZIP+4 and normalizes abbreviations to USPS standards for cleaner labels and faster routing. This address validation tool helps your labels scan cleanly and move through sorting with fewer exceptions.<\/p>\n<ul>\n<li>\nZIP+4 appended for precision<\/li>\n<li>Abbreviations normalized to USPS standards<\/li>\n<li>Standardized, machine-readable address format for reliable delivery<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\t<\/div>\t\n\t\t\t<div class=\"column-media col-span-5 order-1\">\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-1024x980.png\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-1024x980.png 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-300x287.png 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-768x735.png 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-1536x1470.png 1536w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-2048x1960.png 2048w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/02\/img-stamps-app-screenshot-app-2x-1129x1080.png 1129w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" loading=\"lazy\" class=\"aspect-square\" alt=\"\" width=\"1024\" height=\"980\">\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\t\n\t<\/div>\n<\/div><\/div><\/section>\n\n<section class=\"block block-text-image padding-top--md padding-bottom--md \"><div class=\"background--none background--full content--full\">\n\n<div class=\"text-image-block zigzag zig\">\n\t<div class=\"container\">\n\t\t<div class=\"columns flex-col-reverse\">\n\t\t\t<div class=\"column-content col-span-7 \">\n\t\t\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--none \"><div class=\"background--none background--full content--full\">\n<div id=\"feature-text-block-block_9f69601563d724e347d9e5d397adea0f\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-left\">\n\t\t\t\t\t\t\t\t\t\t<h3>Always-current USPS data, synced into Stamps.com<\/h3>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Our system regularly syncs with the USPS Address Matching Service so you are checking against the most current, deliverable address information. List-wide cleansing is included at no extra cost, giving you consistent, accurate output across shipments.<\/p>\n<ul>\n<li>Continuous alignment with the USPS service database<\/li>\n<li>Cleanses every address list at no additional charge<\/li>\n<li>Produces uniform labels that improve sort accuracy<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\t<\/div>\t\n\t\t\t<div class=\"column-media col-span-5 \">\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm3-1024x768.webp\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm3-1024x768.webp 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm3-300x225.webp 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm3-768x576.webp 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm3.webp 1038w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" loading=\"lazy\" class=\"aspect-square\" alt=\"\" width=\"1024\" height=\"768\">\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\t\n\t<\/div>\n<\/div><\/div><\/section>\n\n<section class=\"block block-text-image padding-top--md padding-bottom--md \"><div class=\"background--none background--full content--full\">\n\n<div class=\"text-image-block zigzag zag\">\n\t<div class=\"container\">\n\t\t<div class=\"columns flex-col\">\n\t\t\t<div class=\"column-content col-span-7 order-2\">\n\t\t\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--none \"><div class=\"background--none background--full content--full\">\n<div id=\"feature-text-block-block_ee4acff220abc0f645ee5e72bf7408af\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-left\">\n\t\t\t\t\t\t\t\t\t\t<h3>Set it and forget it with automated checks<\/h3>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Enable verification once and let Stamps.com do the work in the background as teams print. No separate login, no manual batch process, and no need to copy data between systems. You get address validity at the moment of label creation, so operations keep moving.<\/p>\n<ul>\n<li>Runs automatically during label creation<\/li>\n<li>\nEliminates manual rework and data transfers\n<\/li>\n<li>Scales from single labels to high-volume batches<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\t<\/div>\t\n\t\t\t<div class=\"column-media col-span-5 order-1\">\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm4-1024x768.webp\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm4-1024x768.webp 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm4-300x225.webp 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm4-768x576.webp 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm4.webp 1038w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" loading=\"lazy\" class=\"aspect-square\" alt=\"\" width=\"1024\" height=\"768\">\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\t\n\t<\/div>\n<\/div><\/div><\/section>\n\n<section class=\"block block-text-image padding-top--md padding-bottom--md \"><div class=\"background--none background--full content--full\">\n\n<div class=\"text-image-block zigzag zig addressVerificationRow\">\n\t<div class=\"container\">\n\t\t<div class=\"columns flex-col-reverse\">\n\t\t\t<div class=\"column-content col-span-7 \">\n\t\t\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--none \"><div class=\"background--none background--full content--full\">\n<div id=\"feature-text-block-block_e26035a5c12ab8a13dfe73f7d724d3d7\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-left\">\n\t\t\t\t\t\t\t\t\t\t<h3>Real-world time and cost savings<\/h3>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Accurate addresses drive measurable improvements in on-time delivery and reduce return handling. Expect fewer customer contacts for wrong addresses, fewer replacement shipments, and a drop in postage waste caused by undeliverables.<\/p>\n<ul>\n<li>Cuts undeliverables and return processing\n<\/li>\n<li>Improves customer satisfaction through on-time arrivals<\/li>\n<li>Reduces spend tied to re-shipments and wasted postage<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\t<\/div>\t\n\t\t\t<div class=\"column-media col-span-5 \">\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm5-1024x768.webp\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm5-1024x768.webp 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm5-300x225.webp 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm5-768x576.webp 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/10\/law-firm5.webp 1038w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" loading=\"lazy\" class=\"aspect-square\" alt=\"\" width=\"1024\" height=\"768\">\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\t\n\t<\/div>\n<\/div><\/div><\/section>\n\n<section class=\"block block-feature-text padding-top--md padding-bottom--md container\"><div class=\"background--deep-indigo background--rounded content--md\">\n<div id=\"feature-text-block-block_f26c21d15d9cc3601fac121479da7319\" class=\"feature-text-block zigZagHeader\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t\t\t\t\t\t<h2>More Than Mail \u2014 One Platform for All Your Shipping Needs<\/h2>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>For 30 years, Stamps.com has been the trusted platform making it efficient and affordable to print discounted stamps, envelopes, shipping labels, and <a href=\"https:\/\/www.stamps.com\/mail\/certified-mail\/\">Certified Mail<\/a>\u00ae from USPS\u00ae, UPS\u00ae, and more carriers in under 2 minutes. Get up to 90% off rates and save $100 in billable hours value\/month by reducing manual tasks and Post Office trips.<\/p>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"btn-group\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href='https:\/\/registration.stamps.com\/registration\/' \n                        class='get-started-btn btn btn--red ' \n                        tabindex='1'\n                        type='button'\n                        target=''\n                        \n                        >\n                            Get Started\n                        <\/a>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"block accordion padding-top--md padding-bottom--md \"><div class=\"background--none background--full content--full\">\n<div id=\"accordion-block-block_ca5ce7ccafb158159b341f07ec59baa4\" class=\"accordion-block faqBlock\">\n    <div class=\"container\">    \n        <div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text padding-top--none padding-bottom--sm \"><div class=\"background--none background--full content--full\">\n<div id=\"feature-text-block-block_b46c569b15e8cfe810fbb41a8d2df815\" class=\"feature-text-block\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t\t\t\t\t\t<h2>Frequently Asked Questions About Shipping Address Verification<\/h2>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n        <div class=\"accordions\">\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            What exactly does \u201caddress verification\u201d do in Stamps.com?\r\n                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">It compares each destination to the USPS Address Matching Service using CASS-certified software, flags issues like misspellings or bad ZIP codes, and suggests the USPS-approved version before you print a label.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            How does ZIP+4 improve deliverability?                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">If you only have a five-digit ZIP, we append the correct ZIP+4 and standardize street and state formats so labels scan cleanly and sort faster through USPS operations\u2014helping packages move without exceptions.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            Is this built in, or do I need a separate tool?\r\n                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">It\u2019s built into Stamps.com. Addresses are cleansed and verified automatically before labels or postage print\u2014no extra software to manage.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            Does it cost extra to cleanse my address list?\r\n                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">No. Stamps.com cleanses every address on your list at no additional charge as part of the label creation process.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            How current is the USPS data you use?\r\n                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">Stamps.com regularly syncs with the USPS Address Matching Service Database so your labels reflect the most current, deliverable information available.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            What happens if an address can\u2019t be verified?\r\n                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">When the software detects an issue, it offers the USPS-approved alternative\u2014much like a spell checker\u2014so you can correct and print with confidence.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            Can this reduce returns and wasted postage?                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">Yes. By catching typos, non-standard abbreviations, and incorrect ZIP codes before printing, you can prevent undeliverables, avoid postage waste, and improve on-time delivery.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            Is \u201caddress cleansing\u201d the same as \u201caddress verification\u201d?\r\n                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">They work together. CASS-certified cleansing and verification standardize formatting and confirm deliverability against USPS data, ensuring addresses meet USPS-preferred specs.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            Do you standardize the address format on my labels?                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">Yes. Abbreviations are normalized to USPS standards and labels are formatted consistently for machine readability and faster routing.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"accordion accordion-\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                    <div class=\"question\">\n                        <h3 class=\"text-lg\" itemprop=\"name\">\n                            Will this help my direct mail or marketing campaigns?                        <\/h3>\n                        <div class=\"icon\">\n                            <img loading=\"lazy\" decoding=\"async\" class=\"span-2\" width=\"16\" height=\"17\" src=\"https:\/\/www.stamps.com\/wp-content\/themes\/stamps\/src\/img\/icons\/chevron-down.svg\" alt=\"Accordion Toggle\">\n                        <\/div>\n                    <\/div>\n                    <div class=\"body-content\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"prose\" itemprop=\"text\">\n                            <p><span style=\"font-weight: 400\">Standardized, verified addresses help more mail get delivered, which can improve response rates and customer experience by speeding delivery.<\/span><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"block block-feature-text padding-top--md padding-bottom--lg container\"><div class=\"background--deep-indigo background--rounded content--md\">\n<div id=\"feature-text-block-block_886247a1a275c2defb842bfbfc97135a\" class=\"feature-text-block zigZagHeader\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t\t\t\t\t\t<h2>Deliver Every Package Right the First Time.<\/h2>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>With Stamps.com\u2019s built-in address verification, you can print labels that meet USPS standards, eliminate costly delivery errors, and keep every shipment on schedule\u2014automatically. Start verifying addresses today and see how much time, money, and hassle you can save.<\/p>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"btn-group\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href='https:\/\/registration.stamps.com\/registration\/' \n                        class='get-started-btn btn btn--red ' \n                        tabindex='1'\n                        type='button'\n                        target=''\n                        \n                        >\n                            Get Started\n                        <\/a>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":115,"featured_media":0,"parent":290650,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/new-blocks.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-290930","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.1 (Yoast SEO v25.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Address Verification | Validate &amp; Standardize Shipping Data<\/title>\n<meta name=\"description\" content=\"Use Stamps.com address verification tools to validate and standardize shipping addresses. Reduce delivery errors, save time, and improve customer satisfaction\" \/>\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\/solutions\/address-verification\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Address Verification\" \/>\n<meta property=\"og:description\" content=\"Use Stamps.com address verification tools to validate and standardize shipping addresses. 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