The CVC/CVV for Mastercard, Visa and Discover is located on the back of the card and is a 3 digit code. The CVC/CVV for American Express is located on the front of the card and is a 4 digit code.
The CVC/CVV for Mastercard, Visa and Discover is located on the back of the card and is a 3 digit code. The CVC/CVV for American Express is located on the front of the card and is a 4 digit code.