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Where to find your credit card CVV code
CVV is an anti-fraud security feature to help verify that you are in possession of your credit card. For VISA/Mastercard/Discover, the 3 digit CVV number is printed on the signature panel on the back of the card, immediately after the card's account number. For American Express, the 4 digit CVV number is printed on the front of the card, above the card account number.