Here is a catch-all guide to acquiring a UPC code on the GS1 website: Determine how many of your goods need UPC codes. Become a member of GS1 US and qualify for the GS1 corporate prefix. Establish a unique product number for each of your products. Design a barcode. Decide where to place the barcode. Order your UPC barcodes right away. Put the printed barcodes to a test.