Cities where you can find Westpac branches
- O'Malley (1)
- Oakey (1)
- Oaklands Park (1)
- Oakleigh South (1)
- Oakleigh (6)
- Oatley (1)
- Oberon (1)
- Ocean Grove (2)
- Ocean Reef (1)
- Omeo (1)
- Orange (7)
- Orbost (1)
- Ormeau (1)
- Ormond (1)
- Osborne Park (1)
- Ourimbah (1)
- Oxenford (1)