BIN 550443
BIN 550443 belongs to a Mastercard credit card issued by National Westminster Bank PLC in United Kingdom.
| BIN / IIN | 550443 |
|---|---|
| Card brand | Mastercard |
| Card type | Credit |
| Card level | Not specified |
| Prepaid | No |
| Issuing bank | National Westminster Bank PLC |
| Issuer website | http://www.natwest.com |
| Country | 🇬🇧United Kingdom(GB) |
What this BIN tells you
A card that starts with 550443 runs on the Mastercard network, is a credit card, was issued by National Westminster Bank PLC and comes from United Kingdom. Payment systems read these first six digits before anything else: to route the transaction to the right network, to apply interchange and currency rules, and to flag mismatches between the card's country and the buyer's location.
A BIN identifies a range of cards, never one account. Knowing it tells you nothing about any individual cardholder. To test how your checkout handles Mastercard cards, use Mastercard test numbers for form validation, and your gateway's official sandbox cards for payment flows.
BIN 550443 FAQ
Which bank issued BIN 550443?
BIN 550443 is issued by National Westminster Bank PLC in United Kingdom.
Is BIN 550443 a credit or debit card?
BIN 550443 is a credit card on the Mastercard network.
What country is BIN 550443 from?
Cards starting with 550443 are issued in United Kingdom (GB).
Can BIN 550443 identify a cardholder?
No. A BIN covers every card in a range from one issuer. It identifies the bank, brand, type and country, not an individual account.