BIN 550888
BIN 550888 belongs to a Mastercard debit standard card issued by St. Mary's Credit Union in United States.
| BIN / IIN | 550888 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Standard |
| Prepaid | No |
| Issuing bank | St. Mary's Credit Union |
| Country | 🇺🇸United States(US) |
What this BIN tells you
A card that starts with 550888 runs on the Mastercard network, is a debit card, was issued by St. Mary's Credit Union 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 550888 FAQ
Which bank issued BIN 550888?
BIN 550888 is issued by St. Mary's Credit Union in United States.
Is BIN 550888 a credit or debit card?
BIN 550888 is a debit card on the Mastercard network.
What country is BIN 550888 from?
Cards starting with 550888 are issued in United States (US).
Can BIN 550888 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.