Security Codes

The security code is the 3 digits found on the back of the card after the 16 digit card number. For American Express, the security code is the 4 digits on the front of the card.

On Visa, MasterCard and Discover the security code is the three digits to the right of the credit card number in the signature area on back of the card.

On American Express, the security is four digits printed (not embossed) on the right front of the card above the credit card number.