We also provide FREE tools to generate valid Credit Card numbers. The validation tools created base on updated BIN database & mathematical calculations. This website provides limited FREE BIN and Credit Card validation tools. D (Single Digit) specify the checksum for validation.CCCCCCCCCCCC (up to 12 digits) specify the individual account identifier.BBBBB (5 Digits) specify the issuing institution or bank.A (Single Digit) specify the Major Industry Identifier (MII).Where A BBBBB denote the Bank Identification Numbers ('BIN') or Issuer identification number ('IIN') Structure of Credit Card & Debit Card Numbers with BINĪn ISO/IEC 7812 number is up to 19 digits in length and used the following format This information is very useful in commercial business for fraud prevention, especially in online store. It is commonly used in credit cards and debit cards, stored-value cards, gift cards and other similar cards.īIN is beneficial to identify a card brand, issuing institution or bank, country of issuance, card type and category of cards. Bank Identification Number (“BIN”) or Issuer identification number (“IIN”) is the first six digits of a bank card number or payment cards number and it is part of ISO/IEC 7812.