About BIN 550889

The Bank Identification Number 550889 identifies cards issued by Onewest Bank, F.S.B. on the Mastercard network in United States. Cards in this range are debit cards. Card numbers starting with these digits are routed to the issuing institution during payment authorization.

A BIN (Bank Identification Number) - also called an IIN (Issuer Identification Number) - is the first 6-8 digits of a payment card. It reveals the card network, issuer, country, and funding type, but never identifies an individual cardholder or account.

Frequently Asked Questions

What bank issued BIN 550889?

BIN 550889 is issued by Onewest Bank, F.S.B. in United States.

What card network does BIN 550889 belong to?

BIN 550889 belongs to the Mastercard network and is a debit card.

Is it safe to look up BIN 550889?

Yes. BIN data covers only the first 6-8 digits of a card and is public industry information used by merchants and payment processors. It cannot identify any individual card or cardholder.