BIN 523755
BIN 523755 belongs to a Mastercard credit standard card issued by Aion Bank in Poland.
| BIN / IIN | 523755 |
|---|---|
| Card brand | Mastercard |
| Card type | Credit |
| Card level | Standard |
| Prepaid | No |
| Issuing bank | Aion Bank |
| Country | 🇵🇱Poland(PL) |
What this BIN tells you
A card that starts with 523755 runs on the Mastercard network, is a credit card, was issued by Aion Bank 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 523755 FAQ
Which bank issued BIN 523755?
BIN 523755 is issued by Aion Bank in Poland.
Is BIN 523755 a credit or debit card?
BIN 523755 is a credit card on the Mastercard network.
What country is BIN 523755 from?
Cards starting with 523755 are issued in Poland (PL).
Can BIN 523755 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.