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What is a bank identification number (BIN)?


Question

What is a Bank Identification Number (“BIN number”) or Issuer Identification Number (“IIN”)?

Answer

Bank Identification Number or BIN number is the first 4 to 6 digits of a credit card. The first number identifies the brand of the card: Visa (number 4), MasterCard (number 5), Amex (number 3), the other 3 or 5 numbers identify the bank issuer that has issued the credit, debit or prepaid card.


BIN number



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