BIN 551771
BIN 551771 belongs to a Mastercard debit standard card issued by Middlefield Banking Company in United States.
| BIN / IIN | 551771 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Standard |
| Prepaid | No |
| Issuing bank | Middlefield Banking Company |
| Country | 🇺🇸United States(US) |
What this BIN tells you
A card that starts with 551771 runs on the Mastercard network, is a debit card, was issued by Middlefield Banking Company 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 551771 FAQ
Which bank issued BIN 551771?
BIN 551771 is issued by Middlefield Banking Company in United States.
Is BIN 551771 a credit or debit card?
BIN 551771 is a debit card on the Mastercard network.
What country is BIN 551771 from?
Cards starting with 551771 are issued in United States (US).
Can BIN 551771 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.