Credit Card Verification Number Explained


VISA
The Verification Code is a three-digit number on the back of your Visa credit card. The full credit card number is reprinted in the signature box and at the end of the number is the Verification Code.
VISA
 
MasterCard
The Verification Code is a three-digit number on the back of your MasterCard. The full credit card number is reprinted in the signature box and at the end of the number is the Verification Code.
MasterCard
 
Discover
The Verification Code is a three-digit number on the back of your Discover card. The full credit card number is reprinted in the signature box and at the end of the number is the Verification Code.
Discover
 
American Express
The Verification Code is a four-digit number on the front of the card above the credit card number on either the right or the left side of your American Express credit card.
American Express