| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Batesford | Victoria | VIC | 3213 |
| Bathumi | Victoria | VIC | 3730 |
| Batman, PO Boxes | Victoria | VIC | 3058 |
| Baw Baw | Victoria | VIC | 3833 |
| Baw Baw Village | Victoria | VIC | 3833 |
| Baxter | Victoria | VIC | 3911 |
| Bayindeen | Victoria | VIC | 3375 |
| Bayles | Victoria | VIC | 3981 |
| Baynton | Victoria | VIC | 3444 |
| Baynton East | Victoria | VIC | 3444 |
| Bayswater | Victoria | VIC | 3153 |
| Bayswater North | Victoria | VIC | 3153 |
| Beaconsfield | Victoria | VIC | 3807 |
| Beaconsfield Upper | Victoria | VIC | 3808 |
| Bealiba | Victoria | VIC | 3475 |
| Bearii | Victoria | VIC | 3641 |
| Bears Lagoon | Victoria | VIC | 3517 |
| Beauchamp | Victoria | VIC | 3579 |
| Beaufort | Victoria | VIC | 3373 |
| Beaumaris | Victoria | VIC | 3193 |
