| The first 6 of these digits is the manufacturer's code.
The next 5 digits are the product code.
The last digit is a check digit.
UPC code under a barcode
|Input all 12 digits in the 024 field, with 1st indicator "1":|
024 1_ 028943083239
|Don't confuse a 13-digit International (formerly European) Article Number (EAN) with an UPC. The EAN, international standard corresponding to the UPC, looks very much like a UPC code, except for the extra digits.||
EAN code under a barcode
| Enter the EAN without hyphens or spaces in the 024 field, with 1st indicator "3":|
024 3_ 4901234567894