A Bank Identification Number, also referred to as an Issuer Identification Number (IIN). It refers to the first six digits that go to making up the card number that appears on the face of every credit, debit, gift, or stored value card out in circulation. Card numbers are regularized according to international standards to ensure that no two cards on the planet will happen to share a similar bank card number.
Now, bank card or payment card numbers will run up to a maximum of 19 digits, but what you should take note of here are the first 6 digits – the Bank Identification Number (BIN). These numbers specifically identify the issuer of any particular card held by any subscriber worldwide. What this means is that if a card was issued in the United States of America for example, and is presented for processing in any other country, this fact will be readily and immediately discernible.
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