![]() In fact, they can be used anywhere that there is a device that can read them. The UPC barcodes are governed by GS1 (Global Standards 1), so that they can be used everywhere - that’s the universal part. ![]() This means that each product has its own UPC code. The code includes 12 numerals, plus a “guard bar” at the beginning that specifies the system being used, a bar that identifies the center, and another guard bar at the end that helps to catch errors.Įach numeral is coded in only one way, and nothing else besides the numerals can be included in a UPC: no decorative designs, no words, nothing.Įach product has a unique code with 12 numerals in a specific order. A universal product code (UPC) is a type of bar code.
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