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An update on Payment card number was released the 2026-05-19T23:20:45Z. Check for any new Issuer identification number edit. [Link to the diff](https://en.wikipedia.org/w/index.php?title=Payment_card_number&diff=1355100889&oldid=prev). Here is the summary:
WP:AWB clean up, typo(s) fixed: time consuming → time-consuming, 644-649 → 644–649
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Revision as of 23:20, 19 May 2026
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The first six or eight digits of a card number (including the initial MII digit) are known as the issuer identification number (IIN). These identify the card issuing institution that issued the card to the card holder. The rest of the number is allocated by the card issuer. The card number's ''length'' is its number of digits. Many card issuers print the entire IIN and account number on their card.
The first six or eight digits of a card number (including the initial MII digit) are known as the issuer identification number (IIN). These identify the card issuing institution that issued the card to the card holder. The rest of the number is allocated by the card issuer. The card number's ''length'' is its number of digits. Many card issuers print the entire IIN and account number on their card.
In some circumstances, the issuer identification number (IIN) or bank identification number (BIN) may not be licensed directly from the issuing network (such as [[Mastercard]] or [[Visa Inc.|Visa]]). Obtaining a BIN/IIN number can be costly, time consuming and demand intensive operational burdens on in-house regulatory and compliance teams. For this reason, some new card programs may use a 'BIN sponsor', in which case the IIN/BIN number is effectively sub-licensed from a scheme regulated entity. This is known as BIN sponsorship, and is a popular way for financial institutions to fast-track access to market.<ref>{{cite web |title=What is issuing BIN sponsorship? |url=https://www.monavate.com/blog/what-is-issuing-bin-sponsorship/ |website=Monavate.com |date=29 March 2021 |access-date=2 July 2021 |last1=Boyes |first1=Chris |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709184945/https://www.monavate.com/blog/what-is-issuing-bin-sponsorship/ |url-status=dead }}</ref>
In some circumstances, the issuer identification number (IIN) or bank identification number (BIN) may not be licensed directly from the issuing network (such as [[Mastercard]] or [[Visa Inc.|Visa]]). Obtaining a BIN/IIN number can be costly, time-consuming and demand intensive operational burdens on in-house regulatory and compliance teams. For this reason, some new card programs may use a 'BIN sponsor', in which case the IIN/BIN number is effectively sub-licensed from a scheme regulated entity. This is known as BIN sponsorship, and is a popular way for financial institutions to fast-track access to market.<ref>{{cite web |title=What is issuing BIN sponsorship? |url=https://www.monavate.com/blog/what-is-issuing-bin-sponsorship/ |website=Monavate.com |date=29 March 2021 |access-date=2 July 2021 |last1=Boyes |first1=Chris |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709184945/https://www.monavate.com/blog/what-is-issuing-bin-sponsorship/ |url-status=dead }}</ref>
In the United States, IINs are also used in [[National Council for Prescription Drug Programs|NCPDP]] pharmacy claims to identify processors, and are printed on all pharmacy insurance cards. IINs are the primary routing mechanism for real-time claims.
In the United States, IINs are also used in [[National Council for Prescription Drug Programs|NCPDP]] pharmacy claims to identify processors, and are printed on all pharmacy insurance cards. IINs are the primary routing mechanism for real-time claims.
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| rowspan="2" | [[Troy (card scheme)|Troy]]
| rowspan="2" | [[Troy (card scheme)|Troy]]
| data-sort-value="650000"|65 (Discover co-branded<ref></ref>)
| data-sort-value="650000"|65 (Discover co-branded<ref></ref>)
|style="color:green" |Yes
|style="color:green" |Yes
|16
|16
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