About BIN 550641

The Bank Identification Number 550641 identifies cards issued by National Westminster Bank PLC on the Mastercard network in United Kingdom. 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 550641?

BIN 550641 is issued by National Westminster Bank PLC in United Kingdom.

What card network does BIN 550641 belong to?

BIN 550641 belongs to the Mastercard network and is a credit card.

Is it safe to look up BIN 550641?

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.