A CVV is a unique three- or four-digit code that's printed on either the front or back of your credit card, depending on the issuer. Industry standards prohibit merchants from storing your CVV.

For Discover®, Mastercard and Visa cardholders, the CVV is a three-digit code located in the signature box on the back of the credit card. It often follows the card’s account number.

CVV stands for card verification value. It’s a three- or four-digit number found on most debit and credit cards. There are several other acronyms for this security feature within the industry.

Your credit card's security code is a three- or four-digit number that helps protect you against credit card fraud. Learn how to find it and why it's important.

Discover the importance of CVV codes in ensuring your financial transactions' security. Learn CVV meaning and why it's important.

Here's a look at what credit card numbers represent and how they're designed to catch an invalid account number.

Understanding CVV number The CVV number is a three- or four-digit code printed on your credit, typically found on the back of the card near the signature strip.

Knowing your credit card expiration date and what to do before it expires can ensure continuity of any recurring payments.

Card issuers typically generate 15- or 16-digit credit card numbers. These numbers are found on either the front or the back of the card, depending on the card issuer and the type of credit card.