What is the Card Security Code?

A Card Security Code (CSC) is a special security feature of your credit.

Visa:

Flip your card over and look at the signature box. You should see a 16-digit credit card number followed by a special 3-digit code. This 3-digit code is your Card Security Code. Visa calls the Security Code CVV2 (Card Verification Value).

MasterCard:

Flip your card over and look at the signature box. You should see a 16-digit credit card number followed by a special 3-digit code. This 3-digit code is your Card Security Code. MasterCard calls the Security Code CVC2 (Card Verification Code).

American Express:

Look for the 4-digit code printed on the front of your card just above and to the right of your main credit card number. This 4-digit code is your Card Security Code. American Express calls the Security Code CSC (Card Security Code).