DISCOVER/MASTER CARD/VISA:
The three-digit value is printed on the signature panel on the back of Discover, Master Card, & Visa cards immediately following the card account number.
The three-digit value is printed on the signature panel on the back of Discover, Master Card, & Visa cards immediately following the card account number.
AMERICAN EXPRESS:
The Card Identification Number is the 4 digit, non-embossed number printed above your account number on the face of your card. This number is recorded as an additional security precaution.
The Card Identification Number is the 4 digit, non-embossed number printed above your account number on the face of your card. This number is recorded as an additional security precaution.