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If you're listing products on Amazon.com, you've almost certainly encountered the requirement for a UPC code. For sellers new to Amazon, this can be a confusing hurdle. For more experienced sellers, UPC compliance issues remain a persistent source of listing suppressions and catalog errors.
This guide explains what UPC codes are in the Amazon context, why they matter, how to get compliant codes, and when you may be able to avoid them entirely.
A UPC (Universal Product Code) is a 12-digit numeric barcode used to uniquely identify a product in a retail system. On Amazon, UPCs (along with EANs, ISBNs, and other GTINs) are used as product identifiers when creating new listings. Amazon uses these codes to match your product to the correct catalog entry, prevent duplicate listings across sellers, and ensure accurate product indexing in search.
When you create a new product listing on Amazon Seller Central, you'll typically be asked to provide a product identifier — and for most physical product categories, that means a valid UPC from GS1.
The legitimate source for UPC codes in the United States is GS1 US (gs1us.org). GS1 is the global standards body that administers GTIN (Global Trade Item Number) allocation, and GS1 US manages this specifically for U.S.-based sellers.
When you purchase a UPC through GS1 US, you receive codes that are registered to your brand in the official GS1 database — which Amazon checks against when you submit a new listing. This registration is what makes your UPC legitimate in Amazon's eyes.
GS1 US offers two main options. A Company Prefix gives you a unique prefix registered to your company, allowing you to generate multiple GTINs (100, 1,000, 10,000+ depending on the prefix size). Pricing is based on the number of products you need to identify and includes an annual license fee. Individual UPCs (GS1 US also sells single UPCs) are available if you only need a small number of codes. These are registered to GS1 US as the company prefix holder but licensed to you for use on your specific product.
Avoid purchasing UPCs from third-party resellers on sites like eBay or through bulk UPC sellers. Amazon has enforced GS1 compliance since 2016 and increasingly cross-references submitted UPCs against the GS1 database. Codes that don't trace back to your brand in GS1's registry are likely to result in listing suppression, especially for new ASINs.
Not every product requires a UPC. Amazon offers a GTIN exemption for brand owners who sell products under their own brand name and whose category and product type qualify. This is particularly relevant for private label sellers, handmade goods, or products in niche categories where GTINs are not standardized.
To apply for a GTIN exemption, you need to be enrolled in Amazon Brand Registry or be selling under your own brand name. You apply directly through Seller Central under the Inventory menu. Amazon reviews your application and, if approved, grants you the ability to create listings in specified categories without a GTIN. Note that GTIN exemptions are category and brand specific — approval in one category doesn't automatically apply to others.
Not all Amazon categories treat UPCs the same way. Most physical product categories require a GS1-issued UPC for new product creation. Some categories, including Books (which use ISBNs), Music, Video, and Software, use different identifiers entirely. Handmade and some collectible categories may qualify for GTIN exemptions more readily. If you're unsure whether your category requires a UPC, check the category-specific listing requirements in Seller Central's Help section or contact Seller Support before purchasing codes.
The most common UPC problems that affect U.S. sellers include listing suppression due to invalid GTIN (usually from non-GS1 codes), catalog merge issues where your product gets incorrectly associated with another ASIN due to a shared or misused UPC, and rejection during new listing creation when Amazon can't verify the UPC in GS1's database.
If you encounter a GTIN-related listing error, the first step is to verify your UPC's GS1 registration at gs1us.org. If your codes aren't registered there, you'll need to either replace them with legitimate GS1-issued codes or apply for a GTIN exemption.
UPC compliance is a foundational requirement for selling on Amazon. Using legitimate GS1-issued codes or obtaining the appropriate GTIN exemption will save you significant time and headache compared to troubleshooting suppressed listings later.
If you need guidance on product setup, listing creation, or resolving UPC-related catalog issues, the team at ePlaybooks works with U.S. sellers across every stage of the Amazon selling process.
No. Each unique product variation, such as a different size, color, pack count, or flavor, must have its own unique UPC. Using the same UPC for multiple variations can cause listing conflicts, suppressed ASINs, or even policy violations. For Amazon sellers, especially on the U.S. marketplace, accurate UPC assignment is critical for proper catalog matching and inventory tracking.
It depends. If your product is already listed under an existing ASIN and you’re simply joining that listing, you usually do not need a new UPC, you can match your offer to the existing ASIN. However, if you’re creating a new product listing or launching a private-label product, Amazon typically requires a valid UPC (unless you qualify for and receive a GTIN exemption).
A UPC (Universal Product Code) is a global identifier used to uniquely identify a product across retailers and manufacturers. Amazon uses UPCs to create and validate ASINs in its catalog.
An FNSKU (Fulfillment Network Stock Keeping Unit), on the other hand, is an Amazon-specific barcode used only for inventory tracking within Amazon’s fulfillment centers. If you use FBA, Amazon requires you to label your products with an FNSKU so your inventory is correctly attributed to your seller account. Simply put, UPCs identify products globally, while FNSKUs track your inventory within Amazon
You’ve probably already considered selling on Amazon but its way easier than you think.
Call Us Now