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BIN 557478 is issued by United Bulgarian Bank Plc., from Bulgaria, on the Mastercard network, as a debit 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 557478, that institution is United Bulgarian Bank Plc. in Bulgaria. The card runs on the Mastercard network. Transactions settle in BGN.
Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Merchants, fraud teams, ad platforms and developers use BIN data to route transactions, localize checkout, detect chargebacks and decide which card products they accept. BIN 557478 itself is public metadata — it identifies the issuer, not the cardholder.
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 557478 break down.
BIN 557478 is registered to United Bulgarian Bank Plc. in Bulgaria. The issuing institution is recorded in the card networks' BIN registries and confirmed by the live lookup on this page.
BIN 557478 was issued in Bulgaria, where card transactions settle in BGN. Country of issuance is set by the issuing institution's registration, not by where the card is used.
BIN 557478 runs on the Mastercard network as a debit card (Commercial Debit). Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Yes. BIN 557478 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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