MasterCard & Visa cards in the signature area of the back of the card. Amex & Discover on the front of your American Express credit card above the credit card number.

CVV location The Card Verification Value (CVV) is an additional three-digit security code that is printed (not embossed) on the back of your card. The CVV is an extra security measure to ensure that you are in possession of the card.CVV

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