About BIN 531991
The Bank Identification Number 531991 identifies cards issued by Norwest Bank Iowa N.A. on the Mastercard network in United States. Cards in this range are credit 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 531991?
BIN 531991 is issued by Norwest Bank Iowa N.A. in United States.
What card network does BIN 531991 belong to?
BIN 531991 belongs to the Mastercard network and is a credit card.
Is it safe to look up BIN 531991?
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.