Prefix > Membership | GS1 US

Using Your Prefix

A GS1 Company Prefix is the foundation for identifying products, locations, and more. It is a globally unique number licensed by GS1 US for your company’s use only. Using GS1 Company Prefixes ensures that your products and locations are associated with unique numbers, enabling important data to be accurately captured and shared all over the world. After all, in today’s interconnected world, you aren’t just your company name or your product name—you are your numerical identifier.

Sell your product directly to trading partners

Use your globally unique number to create a barcode for your product. That barcode will ensure that your product can be properly identified from its origin to the point-of-sale or service. Learn how to uniquely identify your products and services.

Sell your product online

Computers may do almost all of your transactions, but there is a still a physical item moving across the supply chain. You want to make sure that your customer gets the right product at the right time, and only your globally unique number can make that possible. Assigning a GS1 Global Trade Item Number (GTIN) to your product increases its searchability online as it efficiently matches user queries to products. In our digital world, the need for accurate and complete product and brand information is more important than ever. Learn how you can align your physical product data with digital product data.

Identify locations

To accurately identify locations and their roles in the supply chain, you need globally unique identifiers. Using the GS1 System and your licensed GS1 Company Prefix, you can see and act on product location information across the supply chain—such as where your product is, where it has been, where it is going, and why—providing better traceability for your products and improving your role in product safety. Learn how to build your GS1 Global Location Numbers.

Tag using Radio Frequency Identification (RFID)

Increased deployment of EPC-enabled RFID from source-to-store is enabling manufacturers, retailers, and logistics providers to improve inventory tracking, create better on-shelf availability of products, and enhance traceability and accuracy throughout the supply chain. Your GS1 Company Prefix can help bring you into the future with EPC-enabled RFID technology. Learn more.

Doing Business in China

Are you looking to do business in China? Learn more about the rules and regulations.

There are other uses for your GS1 Company Prefix, too. You can use it to uniquely identify documents, services, and manage assets. The GS1 Company Prefix may be a little string of numbers, but it’s a huge investment in the future of your business. Learn more.


The Foundation:
GS1 Company Prefix

Is Your GS1 Company Prefix Registered to You?
GS1 Company Prefixes are licensed for use by one company only; two companies should not share a prefix. If you want to verify that you are registered as the licensee of the Company Prefix you are using, use our simple online tool, GS1 US GEPIR and enter your U.P.C. barcode (GTIN), location (GLN) or company name to check registration. If you see a discrepancy, please contact our Customer Service team at +1 937.435.3870.