Joy Payne
by on August 10, 2020
The number of BIN records are very large, which currently exceeding 300,000 records. Due to the numbers of records & frequent changes, it is rather impossible to maintain and read from a BIN list. To sort out this issue you can use BIN Search Tools for the end users to check and find the correct BIN information.

Major Industry Identifier (MII)

The major industry identifier (MII) is the first digit of the ISO/IEC 7812 issuer identifier number. It identifies the industry within which the card is primarily to be used.
MII digit value Issuer category
0 ISO/TC 68 and other industry assignments
1 Airlines
2 Airlines and other future industry assignments
3 Travel and entertainment and banking/financial
4 Banking and financial
5 Banking and financial
6 Merchandising and banking/financial
7 Petroleum and other future industry assignments
8 Healthcare, telecommunications and other future industry assignments
9 For assignment by national standards bodies

Bank Identification Number (BIN) Range and Length

The term bank identification number (BIN) refers to the initial set of four to six numbers that appear on a payment card. This set of numbers identifies the institution that issues the card and is key in the process of matching transactions to the issuer of the charge card. The numbering system applies to credit cards, charge cards, prepaid cards, gift cards, debit cards, prepaid cards, and electronic benefit cards.

How Bank Identification Numbers (BIN) Work

The bank identification number is a numbering system developed by the American National Standards Institute (ANSI) and the International Organization for Standardization (ISO) to identify institutions that issue different cards. The ANSI is a nonprofit organization (NPO) that creates business standards in the United States while the ISO is an international nongovernmental group that creates a variety of standards for different industries including the financial, health care, clothing, and aircraft fields.

All payment cards come with a BIN number. This is a set of four to six different numbers randomly assigned to debit cards, credit cards, charge cards, gift cards, and other payment cards. The number is embossed on the front of the card and appears in print just below as well. The first digit of the BIN specifies the major industry identifier—categories include airlines, banking and financial, or travel and entertainment. The digits that follow specify the issuing institution or bank. For example, the MII for a Visa credit card starts a four, which falls under the banking and financial category.

When a customer makes an online purchase, the customer enters their card details on the payment page. After submitting the first four to six digits of the card, the online retailer can detect which institution issued the customer’s card including:

  • the card brand, such as a Visa, MasterCard, American Express, and Diner's Club
  • the card level, such as corporate or platinum
  • the card type—a debit card, credit card, or other payment cards
  • the issuing bank country
  • Post in: Finance
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