Mastercard BIN list Mastercard Credit Cards — Asb Bank Limited - IIN 546256

Credit card numbers that start with the Issuer Identification Number (IIN) 546256 are Mastercard credit cards issued by Asb Bank Limited in New Zealand. Note that this is the only IIN range issued by Asb Bank Limited, so all cards issued by this provider will be of the format 5462 56XX XXXX XXXX. For more information, call Asb Bank Limited at (649) 306-3000.

Asb Bank Limited
credit card chip
5462 Valid Thru 08/2024
John Q. Cardholder
Card Scheme Mastercard
Bank Name Asb Bank Limited
Card Type CREDIT
IIN 546256
Card Number 5462 56XX XXXX XXXX
Bank Phone (649) 306-3000
Bank Country New Zealand

Anatomy of an Asb Bank Limited Mastercard Credit Card Number

While credit card number may seem like a random string of digits, they actually contain a large amount of valuable data about the card that can be used for validation and verification purposes.

Digit 1 — The MII

The first digit of the card is known as the MII digit, and indicates the credit card's scheme. In this case, the MII of 5 indicates that this is a Mastercard card.

Digits 1-6 — The IIN / BIN

The first six digits of the card number, inclusive of the MII, are called the IIN (Issuer Identification Number) or BIN (Bank Identification Number). This sequence uniquely identifies the bank that issued the card. In this case, the IIN of 546256 indicates that this card was issued by Asb Bank Limited in New Zealand.

Digits 7-15 — The Account Number

Digits 7-15 of the credit card number contain the Primary Account Number, or PAN, issued by the bank to uniquely identify the account holder. These 8 digits are the most important part of the credit card number.

Digit 16 — The Check Digit

The last digit of the card number (the 16th digit in most cases) is the check digit, which is calculated by applying a mathematical formula called the Luhn algorithm to the preceding portions of the account number. While not actually part of the account number itself, the check digit is essential to allow easy validation of card numbers and detection of typos, missed digits, etc.

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