To protect our customers from online fraud we utilize CVV2 number as well as other precautions we take. Credit Card Security Code (also known as CVV2), is a 3 or 4 digit number that is printed, on your Visa, MasterCard and AMEX. Visa and MasterCard card members can find their CVV2 number in the signature area of your card. AMEX members can find the CVV2 number in front of their card. CVV2 is also called CSC, CVC2 and CID by different credit card companies.