primary account number The nineteen-digit number printed on the front of the EBT card and encoded on the magnetic stripe on the back of the card. The number links to the EBT contractor system.

The 19-digit number printed on the front of the EBT Electronic Benefit Transfer. card and encoded on the magnetic stripe on the back of the card. The number links to the EBT contractor system The Client Information System (CIS) and MAPPER system databases and processes..