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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. Card security code - Wikipedia

   en.wikipedia.org/wiki/Card_security_code

   These codes are in slightly different places for different card issuers. The CSC for Visa, Mastercard, and Discover credit cards is a three-digit number on the back of the card, to the right of the signature box. The CSC for American Express is a four-digit code on the front of the card above the account number. See the figures to the right for ...

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

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

   Credit card numbers are either 15 or 16 digits, with each digit having its own meaning and purpose. Keeping your credit card number safe can help prevent fraudulent purchases and the stress they ...

5. Payment card number - Wikipedia

   en.wikipedia.org/wiki/Payment_card_number

   The last digit is the Luhn check digit. IINs and PANs have a certain level of internal structure and share a common numbering scheme set by ISO/IEC 7812. The parts of the number are as follows: a six or eight-digit Issuer Identification Number (IIN), [a] the first digit of which is the major industry identifier (MII)

6. 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.

7. What's a six-digit verification code — and why you should ...

   www.aol.com/whats-six-digit-verification-code...

   Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six ...

8. Enable location settings on iOS devices - AOL Help

   help.aol.com/articles/enable-location-settings...

   Enable location settings on iOS devices AOL delivers info like news, weather, sports and search results to you based on your location. To get these personalized features, first turn on the location settings for your device , then allow the AOL app or a mobile browser (like Safari or Chrome) access to your current location.

9. Global Location Number - Wikipedia

   en.wikipedia.org/wiki/Global_Location_Number

   The GS1 Identification Key is used to identify physical locations or legal entities. The key comprises a GS1 Company Prefix, Location Reference, and Check Digit. Location identified with GLN could be a physical location such as a warehouse or a legal entity such as a company or customer or a function that takes place within a legal entity.