BIN 523971

BIN 523971 belongs to a Mastercard debit standard card issued by Cu Cooperative Systems, LLC in United States.

BIN / IIN523971
Card brandMastercard
Card typeDebit
Card levelStandard
PrepaidNo
Issuing bankCu Cooperative Systems, LLC
Country🇺🇸United States(US)

What this BIN tells you

A card that starts with 523971 runs on the Mastercard network, is a debit card, was issued by Cu Cooperative Systems, LLC 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 523971 FAQ

Which bank issued BIN 523971?

BIN 523971 is issued by Cu Cooperative Systems, LLC in United States.

Is BIN 523971 a credit or debit card?

BIN 523971 is a debit card on the Mastercard network.

What country is BIN 523971 from?

Cards starting with 523971 are issued in United States (US).

Can BIN 523971 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.