About BIN 421010

The Bank Identification Number 421010 identifies cards issued by San Mateo C.U. on the Visa 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 421010?

BIN 421010 is issued by San Mateo C.U. in United States.

What card network does BIN 421010 belong to?

BIN 421010 belongs to the Visa network and is a debit card.

Is it safe to look up BIN 421010?

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.