Visa/Mastercard Users

Flip your card over and look at the signature box. You should see either the entire 16-digit credit card number or just the last four digits followed by a special 3-digit code. This 3-digit code is your Credit card Security Code.

Amex Users

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 Credit card Security Code.