BIN 537648
5376 4888 6160 2623
BIN 537648 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Mastercard network as a credit card at the B2B level. The issuing bank is Optal Financial, Ltd., based in United Kingdom. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
Card number format for this BIN
Every card number that starts with 537648 follows these Mastercard rules. Its last digit is a Luhn check digit calculated from the digits before it, which is why a mistyped number is usually rejected before a payment is even sent.
🇬🇧 Our dataset lists 7,554 BIN ranges issued in United Kingdom. See the United Kingdom BIN list with its banks, card schemes and card types.
Other BINs from Optal Financial, Ltd.
Check another BIN
Enter any card's first 6–8 digits to look up its bank, scheme, type and country.
Open BIN Lookup →Frequently asked questions
What bank issued BIN 537648?
BIN 537648 belongs to Optal Financial, Ltd. in United Kingdom. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 537648 a credit or debit card?
It is a credit 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.