BSB Number means Bank State Branch (BSB) number which is a 6 digit bank code that identifies an individual branch of a bank and other financial institutions within Australia. This six digit number (BSB) plus the account number used to identify a particular account. BSB Numbers with account numbers combinations are used in domestic transaction only. For international transfers, a SWIFT code is also used in addition to the BSB number and a bank account number.
You may verify the BSB number by using the BSB lookup tool on bsbno.com –
BSB Number Lookup
The 6 digit BSB number is made up of three parts: AAB-CCC
The first two numbers (AA) specify the financial institution/bank.
The third number (B) indicates the state where the branch is located.
The last three numbers (CCC) are the unique identifier for a branch.
Financial Institution Codes (AA – First two Numbers)
State Codes (B – Third Number)
Code |
State |
2 |
Australian Capital Territory, New South Wales |
3 |
Victoria |
4 |
Queensland |
5 |
South Australia & Northern Territory |
6 |
Western Australia |
7 |
Tasmania |
Therefore, the BSB number for the Bankwest store in Perth, Western Australia (which has the identifying number 059), would be 306-059.
AA = 30 (Bankwest)
B = 6 (WA)
CCC = 059 (Perth)