BIN 550256
www.commbank.com.au
5502 5619 2524 4520
BIN 550256 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Mastercard network as a credit card. The issuing bank is Commonwealth Bank OF Australia, based in Australia. 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 550256 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 2,688 BIN ranges issued in Australia. See the Australia BIN list with its banks, card schemes and card types.
Other BINs from Commonwealth Bank OF Australia
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Open BIN Lookup →Frequently asked questions
What bank issued BIN 550256?
BIN 550256 belongs to Commonwealth Bank OF Australia in Australia. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 550256 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.