BIN 535666
www.santander.co.uk
5356 6637 3978 4852
BIN 535666 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 Standard level. The issuing bank is Santander UK 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 535666?
BIN 535666 belongs to Santander UK PLC in United Kingdom. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 535666 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.