UPC Barcoding

Use your U.P.C. Company Prefix to create and view practice barcodes

The number in a U.P.C. barcode (called a GTIN®) is typically 12 digits long. This tool helps illustrate how you create a GTIN-12:

  • It starts with your U.P.C. Company Prefix that was assigned to your company when it became a member of GS1 US. Your U.P.C. Company Prefix could be between six and ten digits long
  • The next one to five digits are for the item reference numbers that you will assign to your unique product variations
  • The 12th digit is called the check digit, which is calculated based on the other numbers in the GTIN-12 and ensures accuracy

Create Your GTIN-12

1. Find your GS1 Company Prefix Certificate to get your U.P.C. Company Prefix. Your company received this certificate when it became a member of GS1 US®. If you don’t have a copy of your GS1 Company Prefix certificate, you can log in to myGS1 US and view or download a copy.

2. Follow the instructions on the wizard.

To learn more about EDI and become a certified EDI Professional please visit our course schedule page.

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