Home UPC, Barcodes & Prefixes Get a barcode You have your product, your business plan, and maybe even some prospective buyers. Now it’s time to take the next step. Time to get your unique product barcode.Whether you're selling in stores, online, or both, the right place to turn for help is GS1 US. GS1 US is the not-for-profit company thatpioneered the use of the UPC barcode over 40 years ago.Just follow the 3 steps below. Step 1: Estimate how many barcodes you needThe most important thing to understand is that each variation of each product you sell requires a unique barcode.For example, if you make a t-shirt, but that shirt comes in four sizes (small, medium, large, extra large), and four colors (blue, pink, purple, red), you need to identify 16 product variations (4 sizes x 4 colors = 16). If they also come in 4 packages, you'll need 64 barcodes (4 sizes x 4 colors x 4 packages = 64).Need more help in figuring out how many barcodes you need? Access the Barcode Estimator Step 2: Choos...