The account number: The number between the bank identification number and the check digit is six to nine digits long and is used to identify the individual account number.This string of numbers identifies the issuer of the card. The bank identification number (BIN): The first six digits are the bank identification number (BIN) or issuer identification number (IIN).
3 Credit Card Data Format Components to KnowĪ credit card number, for example 1234567812345678, consists of three parts: We thought some clarification was needed so we will describe below what a PAN number is made of, what BIN ranges refer to, and how you can use the Luhn algorithm (also know n as Mod 10, and named after IBM scientist Hans Peter Luhn ) to validate a credit card using pen and paper. When dealing with cardholder data discovery projects, we often get a lot of questions about credit card data formats - things like the PAN number, BIN ranges and Luhn checks.
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