What is a Credit Card Code

What is a Credit Card Verification Code?

The three-digit number on the back of most credit cards, such as Visa, Mastercard, and Discover cards (Cardmember ID).

It is a four-digit number on the front of American Express cards.

This is an important security feature for credit card transactions.

	The three-digit number on the back of most credit cards, such as Visa, Mastercard, and Discover cards (Cardmember ID).
	It is a four-digit number on the front of American Express cards.