BIN 521337
BIN 521337 belongs to a Mastercard debit business card issued by Westfield Bank, FSB in United States.
| BIN / IIN | 521337 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Business |
| Prepaid | No |
| Issuing bank | Westfield Bank, FSB |
| Country | 🇺🇸United States(US) |
What this BIN tells you
A card that starts with 521337 runs on the Mastercard network, is a debit card, was issued by Westfield Bank, FSB and comes from United States. 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 521337 FAQ
Which bank issued BIN 521337?
BIN 521337 is issued by Westfield Bank, FSB in United States.
Is BIN 521337 a credit or debit card?
BIN 521337 is a debit card on the Mastercard network.
What country is BIN 521337 from?
Cards starting with 521337 are issued in United States (US).
Can BIN 521337 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.