American Express cards will have a four-digit CVV located on the front of the card. And This 4-digit code is your Card Identification Number (CID). But The 3-digit code is your CVV number / Card Security Code.
Three-digit Card Security Code (CSC) is on the back of the Card. Check the American Express gift card 3 digit code to start shopping right now.
American Express CVV code 3 digits is your CVV number / Card Security Code. The code will help the merchant that you are in possession of the card and protect you from credit card fraud.