About BIN 521403
The Bank Identification Number 521403 identifies cards issued by Comerica Bank 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 521403?
BIN 521403 is issued by Comerica Bank in United States.
What card network does BIN 521403 belong to?
BIN 521403 belongs to the Mastercard network and is a debit card.
Is it safe to look up BIN 521403?
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.