UPC stands for Universal Product Code and is a standardized identifier. Technically the term UPC Code is redundant but it is commonly used when describing the UPC barcode on a product. A UPC consists of three components; a UPC Company Prefix licensed to individual brands, a Product Number, and a calculated check digit (12th digit). As the name implies, a UPC is accepted by retailers and marketplaces around globe. The UPC is part of the GS1 global standard of identification.