Westpac BSB numbers

Westpac Banking Corporation has 3,646 BSB numbers in AusPayNet's October 2026 directory, 3,646 of them active. Its BSBs start with 03, 04, 73, 74. Also known as Westpac Bank, WBC.

Westpac BSB lookup: search by BSB number, branch or suburb

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Your own BSB is on your bank statement and in your banking app under account details. Many banks use one BSB for online-only accounts, so ask the recipient for theirs rather than guessing from a branch.

Westpac BSBs by state

Westpac NSW1,543 BSBs in New South WalesWestpac VIC672 BSBs in VictoriaWestpac QLD483 BSBs in QueenslandWestpac SA457 BSBs in South AustraliaWestpac WA337 BSBs in Western AustraliaWestpac TAS67 BSBs in TasmaniaWestpac ACT61 BSBs in Australian Capital TerritoryWestpac NT26 BSBs in Northern Territory

Source: Australian Payments Network Limited, October 2026. LookupBSB is not affiliated with Westpac. Merged BSBs are shown with the BSB that replaced them.