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2. 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 ...

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

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

   Your credit card’s 15 or 16-digit number helps authenticate transactions. ... The security code: Security codes on credit cards are often referred to as card verification values (CVV) or card ...

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

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

   A card security code is a three- or four-digit number on the back of credit and debit cards that ensures the authenticity of transactions when a physical card is not presented at the point of sale ...

5. Card security code - Wikipedia

   en.wikipedia.org/wiki/Card_security_code

   The card security code is not encoded on the magnetic stripe but is printed flat. American Express cards have a four-digit code printed on the front side of the card above the number. Diners Club, Discover, JCB, Mastercard, and Visa credit and debit cards have a three-digit card security code. The code is the final group of numbers printed on ...

6. Payment card number - Wikipedia

   en.wikipedia.org/wiki/Payment_card_number

   Payment card numbers are composed of 8 to 19 digits, [1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

7. 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.

8. Add or disable 2-step verification for extra security - AOL Help

   help.aol.com/articles/2-step-verification...

   We'll send you a text or call you with a new code that needs to be entered at sign-in. The phone number we contact you with may be different each time. Enable 2-step for phone. 1. Sign in to your Account Security page. 2. Next to "2-Step Verification," click Turn on. 3. Select Phone number for your 2-step verification method. 4.

9. 2-Step Verification with a Security Key - AOL Help

   help.aol.com/articles/2-step-verification-with-a...

   If you no longer have your Security Key, use these steps: Go to the Sign-In Helper. Sign in and go to the AOL Account Security page. Turn off Security Key 2-Step Verification. When you get your Security Key back or get a new key, you can re-enable 2-Step Verification in your Account Security settings.