Visa MasterCard Requirements Card Validation Code
The 3-digit, non-embossed number printed on the signature panel on the back of the card immediately following the credit card account number. This number is required as an additional security precaution. |
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American Express Requirements Card Validation Code
The 4-digit, non-embossed number printed above your account number on the front of your card. This number is required as an additional security precaution. |