Credit Card Number

The credit card numbers have a particular sum of internal system and are utilized according to a shared numbering scheme. Credit card numbers are particular instances of ISO 7812 numbers.

About Credit Card Number

The credit card numbers are particular forms of ISO 7812 numbers. An ISO 7812 number comprises an issuer identifier number or IIN (six digit), a major industry identifier number or MII (single digit), a single digit verification number, which utilizes the Luhn Algorithm, as well as an account number. The major industry identifier number or MII is regarded as a constituent of the issuer identifier number.

Prefixes of Credit Card Number

The prefix of a credit card number is the serial arrangement of figures at the commencement of the number that ascertains the credit card network under which the number falls. The initial six digits of the credit card number are termed as the Bank Identification Number or BIN. These help recognize the company, which is the issuer of the card. The remainder of the number is distributed by the credit card issuer. The length of the credit card number is the number of figures or digits.

The lengths and prefixes for the most popular forms of credit card are the following: