The issuer identification number also known as the bank identification number (BIN) is the first six digits of the credit card number. If this digit is 9 the next three digits are the country code from ISO 3166-1. It identifies the industry where the card will be most used in. The first digit of the issuer identification number is the major industry identifier (MII). An contains a six-digit issuer identification number (IIN), an individual account identification number, and a single digit checksum. For the technically inclined, this number complies to the ISO/IEC 7812 numbering standard. What constitutes a Valid Credit Card Number?Ī valid credit card number (also known as Primary Account Number - PAN) has several fields and each of them has a meaning.
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