What is the Card Verification #?
The card verification number is 3 or 4 digit number in the signature panel on the back of Visa, MasterCard and Discover cards and on the front of
American Express cards.
Where do I find the Card Verification #?
Visa, MasterCard, & Discover The Card verification number is the last 3 digits after the credit card number on the back of the card in the signature area.
American Express The American Express Card Verification # is a 4 digit number printed on the front of the card, either above and to the right, or above and to the left of the embossed card number