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  2. 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 ...

  3. 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.

  4. Controlled payment number - Wikipedia

    en.wikipedia.org/wiki/Controlled_payment_number

    A controlled payment number, disposable credit card or virtual credit card is an alias for a credit card number, with a limited number of transactions, and an expiration date between two and twelve months from the issue date. This "alias" number is indistinguishable from an ordinary credit card number, and the user's actual credit card number ...

  5. Want to Decode Your Credit Card Number? Check Out This ... - AOL

    www.aol.com/news/2011-02-11-want-to-decode-your...

    Mortgage and refinance rates for Jan. 2, 2025: Average rate for 30-year benchmark dips below 7.00% in new year

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

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

    The numbers on a credit card help identify the credit card network, the company that issued the card and the cardholder. Credit card numbers are either 15 or 16 digits, with each digit having its ...

  7. What Do Credit Card Numbers Mean? - AOL

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

    The last digit of any card number is the digit that card issuers use to validate the card number. Even though it is just one digit, the last part of the credit card number might be the most ...

  8. Check verification service - Wikipedia

    en.wikipedia.org/wiki/Check_verification_service

    The bank would ask for the account number, the name on the check, the amount and the check number and just look up the account. Due to banks issuing privacy policies [ 8 ] [ 9 ] designed to protect identity and fraud, telephone merchant funds verification by calling the bank directly is now rare for any bank or credit union to offer this service.

  9. What Does Your Credit Card Number Mean? - AOL

    www.aol.com/news/does-credit-card-number-mean...

    If your card starts with 3, your card uses the American Express network. Each digit conveys identifying information about the credit card , and the assigned numbers must follow the guidelines set ...