557541🇵🇱MASTERCARD DEBIT STANDARD — BANK OCHRONY SRODOWISKA S.A. (BOS S.A.)

This card database profile provides a detailed look up bin number report. The BIN/IIN range 557541 is assigned to BANK OCHRONY SRODOWISKA S.A. (BOS S.A.) in POLAND. The card operates on the MASTERCARD network and is categorized as a DEBIT STANDARD card.

As a card range complying with ISO/IEC 7812 specifications, this prefix is checked against the Luhn validation formula and conforms to standardized routing paths. If you are doing a free bin check, this local lookup allows you to verify issuer information for secure routing. For transactions, the processor routes the authorization request to BANK OCHRONY SRODOWISKA S.A. (BOS S.A.) via the MASTERCARD system networks.