BIN 557540
BIN 557540 belongs to a Mastercard debit standard card issued by Bank Ochrony Srodowiska S.A. (Bos S.A.) in Poland.
| BIN / IIN | 557540 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Standard |
| Prepaid | No |
| Issuing bank | Bank Ochrony Srodowiska S.A. (Bos S.A.) |
| Country | 🇵🇱Poland(PL) |
What this BIN tells you
A card that starts with 557540 runs on the Mastercard network, is a debit card, was issued by Bank Ochrony Srodowiska S.A. (Bos S.A.) and comes from Poland. Payment systems read these first six digits before anything else: to route the transaction to the right network, to apply interchange and currency rules, and to flag mismatches between the card's country and the buyer's location.
A BIN identifies a range of cards, never one account. Knowing it tells you nothing about any individual cardholder. To test how your checkout handles Mastercard cards, use Mastercard test numbers for form validation, and your gateway's official sandbox cards for payment flows.
BIN 557540 FAQ
Which bank issued BIN 557540?
BIN 557540 is issued by Bank Ochrony Srodowiska S.A. (Bos S.A.) in Poland.
Is BIN 557540 a credit or debit card?
BIN 557540 is a debit card on the Mastercard network.
What country is BIN 557540 from?
Cards starting with 557540 are issued in Poland (PL).
Can BIN 557540 identify a cardholder?
No. A BIN covers every card in a range from one issuer. It identifies the bank, brand, type and country, not an individual account.