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  2. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    The card security code is located on the back of Mastercard, Visa, Discover, Diners Club, and JCB credit or debit cards and is typically a separate group of three digits to the right of the signature strip On American Express cards, the card security code is a printed, not embossed, group of four digits on the front towards the right

  3. What Is a Credit Card Security Code and Why Is It ... - AOL

    www.aol.com/credit-card-security-code-why...

    The three- or four-digit code on credit and debit cards can be either a card security code or a card verification value. A three-digit CVV is located on the back of Mastercard®, VISA® and ...

  4. What is a credit card security code? - AOL

    www.aol.com/finance/credit-card-security-code...

    A credit card security code is a three- or four-digit code that’s unique to your card. In case a merchant asks, the security code goes by a few different names , mainly the: Card Verification ...

  5. Address verification service - Wikipedia

    en.wikipedia.org/wiki/Address_verification_service

    Following a request from a merchant for an address verification, the credit card processor sends an AVS response code back to the merchant indicating the degree of address matching. The meaning of the codes vary between credit card processors. Merchants can use the AVS code to determine whether to accept or reject a credit card transaction.

  6. How to find your credit card's security code - AOL

    www.aol.com/news/2010-06-24-how-to-find-your...

    On most cards the security code is located on the back, to the right of the signature block, but since it can move around here's an easy way to find the security code on any credit card.

  7. Talk:Card security code - Wikipedia

    en.wikipedia.org/wiki/Talk:Card_Security_Code

    I understand that CVV2 is designed to verify that the person making "card not present" transactions occurring over the Internet, by mail, fax or over the phone is holding the physical card at the time of transaction. However, CVV2 code is just a 3-4 digit number. Unlike a PIN code or password, the CVV2 code can never be changed.

  8. Add, edit, or delete a payment method for AOL services

    help.aol.com/articles/update-your-payment-method

    Click Add Credit or Debit Card. 5. Enter the required info. 6. Click Submit. Edit an existing payment method. If your card number has changed, you must add a new card. 1.

  9. What do the numbers on your credit card mean? - AOL

    www.aol.com/finance/numbers-credit-card-mean...

    The security code: Security codes on credit cards are often referred to as card verification values (CVV) or card verification codes (CVC). These codes are three or four digits on their own, and ...