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BIN 556504 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 556504.
What is BIN 556504?
BIN 556504 is issued by Citibank N.A., from United States of America (the), on the Mastercard network, as a credit card.
A Bank Identification Number (BIN, or Issuer Identification Number / IIN) is the first 6 to 8 digits of any payment card. It tells the payment network which institution issued the card, what kind of card it is, and where it was issued. For BIN 556504, that institution is Citibank N.A. in United States of America (the). The card runs on the Mastercard network. Transactions settle in USD.
Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 556504 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.
BIN 556504, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 556504 break down.
BIN 556504 — frequently asked questions
Which bank issued BIN 556504?
BIN 556504 is registered to Citibank N.A. in United States of America (the). The issuing institution is recorded in the card networks' BIN registries and confirmed by the live lookup on this page.
What country is BIN 556504 from?
BIN 556504 was issued in United States of America (the), where card transactions settle in USD. Country of issuance is set by the issuing institution's registration, not by where the card is used.
What card network does BIN 556504 run on?
BIN 556504 runs on the Mastercard network as a credit card (Mastercard Corporate Fleet Card Gsa Program). Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Is it legal to look up BIN 556504?
Yes. BIN 556504 is public infrastructure data under the ISO/IEC 7812 standard — it identifies the issuing program, not any cardholder. No personal or account data is involved in a BIN lookup.
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