BIN 537231
www.natwest.com
5372 3133 1894 9555
BIN 537231 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Mastercard network as a debit card at the World Business level. The issuing bank is National Westminster Bank PLC, based in United Kingdom. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
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Open BIN Lookup →Frequently asked questions
What bank issued BIN 537231?
BIN 537231 belongs to National Westminster Bank PLC in United Kingdom. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 537231 a credit or debit card?
It is a debit card on the Mastercard network.
Can I get full card numbers from a BIN?
No. A BIN is only the first 6–8 digits and public routing information. It reveals the scheme, type, bank and country, but never a full card number, balance or cardholder. The sample on this page is randomly generated and holds no funds.