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BSB (Bank State Branch) number is the code of Australian banks in different regions. In Australia, every bank account number is preceded by a six-digit number, that is, the BSB number. This number is unique. You can know which bank branch it is through BSB.
The first two digits of this number are the name of the bank, for example, NAB is 08 and ANZ is 0 1. The third represents the region, for example, 2 represents NSW, 3 represents Vic, and the last three represent bank branches or sub-branches. In a word, BSB: 3420 12 is Haymarket (Sydney) branch of HSBC Australia Limited.
Moreover, its Swift codes: HKBAAU2SSYD, BSB, are different from Swift codes. SWIFT codes are global standards, such as ICBKCNBJXXX, ICBC stands for ICBK, CN is China, BJ is Beijing, and then XXX is added, which is complete. Icbc Beijing. Of course, China's foreign exchange can be transferred to other branches in the system after going to Beijing.