Barcode Education




		Barcode Symbologies
		Barcode Densities
		Code 39
		Code 128
		EAN/JAN
		Interleaved 2 of 5
		Code 93
		Codabar
		MSI Plessey
		2D Symbologies
		PDF417
		DataMatrix Code
		MaxiCode

Barcode Symbologies

UPC

UPC-A (Universal Product Code-A) is fixed length, is the most common bar code for retail product labeling and is seen in most grocery stores across the United States. The symbology encodes a 12 digit numeric only number. The first six digits are assigned from the Uniform Code Council (UCC) in Dayton, Ohio, the next five digits are assigned by the manufacturer, and the final digit is a modulo 10 check digit. The nominal height for the UPC-A bar code is one inch. The reduced size is 80% of the nominal size.

UPC-E (Universal Product Code-E) is also fixed length and is a compressed six digit code used for marking small packages including magazines and paperback books. The printed value of the UPC-E code is a twelve digit code. UPC-E symbols are UPC-A symbols that have been zero suppressed (i.e. consecutive zeros are not included in the symbol). The nominal height for the UPC-E bar code is one inch. The reduced size is 80% of the nominal size.

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