The CVV is a three- or four-digit security code on the back or front of your credit card that helps protect you from credit card fraud. For Mastercard, Visa, and Discover credit cards, the CVV code is three digits, and it's located on the back of the card near the signature line.

For Visa, Mastercard, and Discover cards, your 3-digit CVV can be found on the back of your credit card, above the signature line. For an American Express card, you can find the 4-digit CVV on the front of the card.

If you have a Visa, Mastercard or Discover card, you’ll find the three-digit CVV code printed near or on the signature strip on the back of the card. For American Express cards, the four-digit CVV code can be found on the front of the credit card near or on top of the 15-digit card number.

The CVV Number (" C ard V erification V alue") on your credit card or debit card is a 3 digit number on VISA®, MasterCard® and Discover® branded credit and debit cards. On your American Express® branded credit or debit card it is a 4 digit numeric code.

The Visa, Mastercard, and Discover CVV/CVC code is three digits long. You can find it on the back of your card to the right of the signature panel. The American Express CID code is four digits long. You can find it on the front of your card to the upper right of your account number.