A Bank Identification Number (BIN) is the first six digits of the number of various financial cards. These digits
identify which network the card belongs to as well as which organization issued it.
Cards participating in the BIN system include:
In the United States, BINs are used in NCPDP pharmacy
claims to identify processors, and are printed on all pharmacy insurance cards. BINs are the primary routing mechanism for
realtime claims. Each processor has one or more BINs, which it divides into plans by using Group Number and Processor Control
Number fields.
Online merchants may use BIN lookups to help validate transactions. For example, if the credit card's BIN indicates a bank in
one country, while the customer's billing address is in another, the transaction may call for extra scrutiny.
The term "Issuer Identification Number" (IIN) is replacing "Bank Identification Number". See ISO
7812 for more information.
See also
External links
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