Besides the expiration date or customer service number, your card will also have a three- or four-digit number either on the front or back. This number can be called the CVV , CVC, CVC2, CSC or ...

Your credit card number usually consists of 15 or 16 digits, depending on the issuer. Every number of your credit card account conveys information, such as the industry, routing information for ...

The three numbers on the back of your card are there to prevent unauthorized purchases. They are the key to the use of the card. When you call a business and make a purchase, ...

American Express uses numbers 3 and 4 to identify the brand of card (e.g. The Platinum Card® from American Express , The Marriott Bonvoy® American Express®* Card , etc.). The Account Number ...