{"id":6769,"date":"2025-04-25T08:52:46","date_gmt":"2025-04-25T15:52:46","guid":{"rendered":"http:\/\/www.avery.com\/blog\/?p=6769"},"modified":"2026-04-02T13:18:03","modified_gmt":"2026-04-02T20:18:03","slug":"fnsku-vs-upc-what-barcodes-do-you-need-for-amazon","status":"publish","type":"post","link":"https:\/\/www.avery.com\/blog\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\/","title":{"rendered":"ASIN Codes: How They&#8217;re Different from Other Barcodes"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-what-amazon-barcodes-do-you-actually-need-and-how-do-you-get-them\">What Amazon barcodes do you actually need and how do you get them?<\/h2>\n\n\n\n<p>When selling on Amazon, it\u2019s easy to get confused by the different barcode terms: GTIN, UPC, FNSKU, ASIN codes. This guide breaks it down so you can label your products correctly, avoid fulfillment headaches, and get credit for every sale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-are-barcodes-and-why-do-you-need-them\">What are barcodes\u2014and why do you need them?<\/h3>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube alignright wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to Create &amp; Add QR and Barcodes with Avery Products\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/rtpEyTwOC3M?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">Learn how to create barcode labels using the<a href=\"\/software\/barcode-generator\"> free barcode generator<\/a> from Avery.<\/figcaption><\/figure>\n\n\n\n<p>Barcodes are scannable digital symbols that contain key product information like batch numbers and item identifiers. They\u2019re essential for tracking products through the supply chain\u2014from manufacturer to warehouse to customer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gtin-upc-and-other-common-amazon-barcodes\">GTIN, UPC, and other common Amazon barcodes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gtin-the-global-product-identifier\">GTIN: The global product identifier<\/h3>\n\n\n\n<p>The <strong><a href=\"https:\/\/www.gs1.org\/standards\/id-keys\/gtin\">Global Trade Item Number (GTIN)<\/a><\/strong> is a global numeric barcode that identifies products. Depending on the item and where it&#8217;s sold, your GTIN could be a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>UPC<\/strong> (Universal Product Code)<\/li>\n\n\n\n<li><strong>EAN<\/strong> (European Article Number)<\/li>\n\n\n\n<li><strong>ISBN<\/strong> (International Standard Book Number)<\/li>\n<\/ul>\n\n\n\n<p>GTINs are requirement for listing most products on Amazon and serve as the foundation for creating ASIN numbers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-upc-north-america-s-go-to-barcode\">UPC: North America\u2019s go-to barcode<\/h3>\n\n\n\n<figure class=\"wp-block-image alignleft size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/img.avery.com\/f_auto,c_scale,w_700\/web\/blog\/blog-amazonbarcodes-1080x1080-upc-a\" alt=\"UPC barcodes are used mainly in North America to track and identify products\" style=\"width:290px\"\/><\/figure>\n\n\n\n<p>The <strong>UPC barcode<\/strong> is the most widely used GTIN in North America. It\u2019s a 12-digit code that helps manufacturers and retailers track inventory, manage supply chains, and identify product attributes like size or color.<\/p>\n\n\n\n<p>When creating a product listing on Amazon, you\u2019ll often need a UPC to start. If an <strong>FNSKU barcode<\/strong> isn\u2019t required, the UPC may also be used in Amazon fulfillment centers to track your products.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p> <em>Get your UPC from <a class=\"\" href=\"https:\/\/www.gs1us.org\">GS1 US<\/a> to ensure it\u2019s valid and registered to your brand.<\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-5\">What is an FNSKU barcode?<\/h2>\n\n\n\n<figure class=\"wp-block-image alignright size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/img.avery.com\/f_auto,c_scale,w_700\/web\/blog\/blog-amazonbarcodes-1080x1080-fnsku\" alt=\"FNSKU is an Amazon barcode  used to credit sellers for merchandise.\" style=\"width:290px\"\/><\/figure>\n\n\n\n<p>The <strong>FNSKU (Fulfillment Network Stock Keeping Unit)<\/strong> is an <strong>Amazon-specific barcode<\/strong> used for tracking products within Amazon fulfillment centers. It ensures that sales are credited to the correct seller\u2014even when multiple sellers offer the same item.<\/p>\n\n\n\n<p>Amazon will tell you if your product needs an FNSKU. If it does, you\u2019ll receive a unique barcode after setting up your listing through <a href=\"https:\/\/www.avery.com\/help\/article\/fba-labels\">Fulfilled by Amazon (FBA)<\/a>.<\/p>\n\n\n\n<p>You can then:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Print FNSKU barcode labels yourself<\/li>\n\n\n\n<li>Apply them to your packaging<\/li>\n\n\n\n<li>Or provide them to your manufacturer for direct printing<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>Avery offers <a href=\"\/software\/barcode-generator\/\">free barcode label printing<\/a> options whether you need on-demand printing at home or custom printing through Avery WePrint\u00ae.<\/em><\/p>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-isbn-barcodes-for-books\">ISBN barcodes for books<\/h2>\n\n\n\n<p>Books require a special kind of GTIN\u2014the <strong>ISBN barcode<\/strong>. Used by publishers, this identifier is either 10 or 13 digits depending on the publication date. You can get yours at <a class=\"\" href=\"https:\/\/www.isbn.org\">ISBN.org<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-asin-codes\">What are ASIN codes?<\/h2>\n\n\n\n<p>An <strong>ASIN code<\/strong>\u2014short for <strong>Amazon Standard Identification Number<\/strong>\u2014is Amazon\u2019s internal product ID. It\u2019s a unique 10-character alphanumeric code that\u2019s created <a href=\"https:\/\/sellercentral.amazon.com\/gp\/help\/external\/201844590\">when a product is added to Amazon\u2019s catalog<\/a>.<\/p>\n\n\n\n<p>Amazon uses the ASIN number to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Track inventory<\/li>\n\n\n\n<li>Organize product pages<\/li>\n\n\n\n<li>Power search results and recommendations<\/li>\n\n\n\n<li>Deliver product data to shoppers<\/li>\n<\/ul>\n\n\n\n<p>You don\u2019t create an ASIN directly. Instead, you provide a GTIN (usually a UPC, EAN, or ISBN) when listing your item, and Amazon assigns an ASIN\u2014or connects your product to an existing one.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>Think of the ASIN as Amazon\u2019s version of a product number. It\u2019s not something you print on packaging\u2014it\u2019s what Amazon uses to manage listings behind the scenes.<\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-barcode-label-printing-made-easy\">Barcode label printing made easy<\/h2>\n\n\n\n<p>Need help printing your barcodes? Whether you\u2019re working with ASIN codes, Amazon barcodes, or product packaging, <strong>Avery makes it simple<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">With Avery, you can:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the <strong>free barcode generator<\/strong> to create your labels online<\/li>\n\n\n\n<li><strong>Print barcode labels yourself<\/strong> using Avery blank label sheets<\/li>\n\n\n\n<li>Or let <strong>Avery WePrint<\/strong> handle your <strong>custom barcode label printing<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-more-resources\">More resources<\/h3>\n\n\n\n<p>Still unsure which barcode to use\u2014or how to label your product for Amazon? Check out:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a class=\"\" href=\"#\">The 14 Most Common Barcode Questions<\/a><\/li>\n\n\n\n<li><a class=\"\" href=\"#\">How to Label Your Products Correctly for Amazon<\/a><\/li>\n<\/ul>\n\n\n\n<p>No matter which type of Amazon barcode you need, Avery has you covered.<br>From generating ASIN codes to printing barcode labels, we make it easy to get your products ready for sale and shipment.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Amazon barcodes do you actually need and how do you get them? When selling on Amazon, it\u2019s easy to get confused by the different barcode terms: GTIN, UPC, FNSKU, ASIN codes. This guide breaks it down so you can label your products correctly, avoid fulfillment headaches, and get credit for every sale. What are [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":25826,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cloudinary_featured_overwrite":false,"footnotes":""},"categories":[4101,4075],"tags":[2622,4141,4477],"class_list":["post-6769","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-labels-packaging","category-small-business","tag-amazon","tag-barcodes","tag-small-business-starter-kit"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ASIN Codes: How They&#039;re Different from Other Barcodes - Avery Blog<\/title>\n<meta name=\"description\" content=\"Discover the difference between ASIN codes, FNSKU, UPC and what you need to ship with Amazon and other marketplaces.\" \/>\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.avery.com\/blog\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASIN Codes: How They&#039;re Different from Other Barcodes\" \/>\n<meta property=\"og:description\" content=\"Discover the difference between ASIN codes, FNSKU, UPC and what you need to ship with Amazon and other marketplaces.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.avery.com\/blog\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\/\" \/>\n<meta property=\"og:site_name\" content=\"Avery Blog\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/facebook.com\/avery\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-25T15:52:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-02T20:18:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/res.cloudinary.com\/avery-products-corp\/images\/w_2560,h_1195,c_scale\/f_auto,q_auto\/v1753466472\/blog-hero-fnskuvsupc-3000x1400-1\/blog-hero-fnskuvsupc-3000x1400-1.jpg?_i=AA\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1195\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Melanie Neff\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Melanie Neff\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.avery.com\\\/blog\\\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.avery.com\\\/blog\\\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\\\/\"},\"author\":{\"name\":\"Melanie Neff\",\"@id\":\"https:\\\/\\\/www.avery.com\\\/blog\\\/#\\\/schema\\\/person\\\/2d8ec7d3c55bac4ff77cffcea4c95e15\"},\"headline\":\"ASIN Codes: How They&#8217;re Different from Other Barcodes\",\"datePublished\":\"2025-04-25T15:52:46+00:00\",\"dateModified\":\"2026-04-02T20:18:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.avery.com\\\/blog\\\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\\\/\"},\"wordCount\":690,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.avery.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.avery.com\\\/blog\\\/fnsku-vs-upc-what-barcodes-do-you-need-for-amazon\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/res.cloudinary.com\\\/avery-products-corp\\\/images\\\/w_2560,h_1195,c_scale\\\/f_auto,q_auto\\\/v1753466472\\\/blog-hero-fnskuvsupc-3000x1400-1\\\/blog-hero-fnskuvsupc-3000x1400-1.jpg?_i=AA\",\"keywords\":[\"Amazon\",\"Barcodes\",\"Small Business Starter Kit\"],\"articleSection\":[\"Product &amp; 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I covered everything from the LA riots and LA Raiders to flash floods and red carpet movie premieres\u2014basically, the usual glamorous stuff. Later, at The Los Angeles Times, I spent more than a decade covering college, professional and high school sports. I kept my NBA ties strong by working in PR for their summer league and writing for NBA.com. I also spent 9 unforgettable New Year's Days working in the press box for Rose Bowl games. When the newspaper industry started crumbling, I transitioned into covering commercial real estate\u2014until the recession came along and crashed that party too. (Honestly, that was probably a blessing. Writing about cap rates, capital stacks, bridge loans, and mezzanine loans was giving me a serious case of brain fog.) Enter Avery, swooping in to save the day. Now, I\u2019ve been with Avery for almost 15 years, where I\u2019ve been able to put my writing experience to use in new ways. 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