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UPC-A
UPC-A encodes 12 numeric digits. The
first digit identifies the numbering system being used:
- 0: regular UPC codes
- 1: reserved
- 2: random weight items marked at
the store
- 3: National Drug Code and National
Health Related Items code
- 4: no format restrictions, for
in-store use on non-food items
- 5: for use on coupons
- 6: reserved
- 7: regular UPC codes
- 8: reserved
- 9: reserved
The next group of 5 digits identifies
the manufacturer. This number is assigned by the Uniform Code
Council (UCC). The next 5 digits identify the particular product and
are assigned by the manufacturer. The last digit is a Modulo 10
checksum.
Uses:
UPC-A is used for marking products which are sold at retail in the
USA.
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