What is Card Verification Number?

CVV2/CID Number Location on Credit Cards

CVV2 Location on Visa, MasterCard and Discover Credit Cards: The CVV2 three-digit value is printed on the signature panel on the back of Visa, MasterCard, and Discover cards immediately following the credit card account number.

CID Location on American Express Cards: The Card Identification Number (CID) is the four-digit, non-embossed number printed above your credit card account number on the face of the card.