CCV2/CID# Information
CCV2# Location on VISA, MC & DISCOVER CREDIT CARDS: The CVV2 three-digit value is printed on the signature panel on the back of Visa, MasterCard & Discover cards immediately following the credit card account number.
CID# Location on AMERICAN EXPRESS cards: The Card Identification # 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.