BIN 551172
BIN 551172 belongs to a Mastercard debit enhanced card issued by Byline Bank in United States.
| BIN / IIN | 551172 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Enhanced |
| Prepaid | No |
| Issuing bank | Byline Bank |
| Issuer phone | +17732447000 |
| Issuer website | https://www.bylinebank.com |
| Country | 🇺🇸United States(US) |
What this BIN tells you
A card that starts with 551172 runs on the Mastercard network, is a debit card, was issued by Byline Bank 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 551172 FAQ
Which bank issued BIN 551172?
BIN 551172 is issued by Byline Bank in United States.
Is BIN 551172 a credit or debit card?
BIN 551172 is a debit card on the Mastercard network.
What country is BIN 551172 from?
Cards starting with 551172 are issued in United States (US).
Can BIN 551172 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.