What is the CVV or CID?

The Card Security Code is part of a credit card authentication process established by credit card companies in their ongoing efforts to reduce fraud. For Visa®, Mastercard® & Discover®, the 3-digit CVV# is located on the back of your card to the right of your card number. For American Express®, the 4-digit CID code is located on the front of your card above the card number (see samples below).


Visa, Mastercard & Discover CVV Example

AMEX CID Example
American Express

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