BIN 545521
www.mastercard.us
5455 2157 5937 7123
BIN 545521 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 Mixed BIN level. The issuing bank is Mastercard - Billing Services Technical Interface, based in United States. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
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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 545521?
BIN 545521 belongs to Mastercard - Billing Services Technical Interface in United States. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 545521 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.