BIN 521585
BIN 521585 belongs to a Mastercard credit standard card issued by Bank Ochrony Srodowiska S.A. (Bos S.A.) in Poland.
| BIN / IIN | 521585 |
|---|---|
| Card brand | Mastercard |
| Card type | Credit |
| 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 521585 runs on the Mastercard network, is a credit 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 521585 FAQ
Which bank issued BIN 521585?
BIN 521585 is issued by Bank Ochrony Srodowiska S.A. (Bos S.A.) in Poland.
Is BIN 521585 a credit or debit card?
BIN 521585 is a credit card on the Mastercard network.
What country is BIN 521585 from?
Cards starting with 521585 are issued in Poland (PL).
Can BIN 521585 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.