| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Gaffneys Creek | Victoria | VIC | 3723 |
| Gainsborough | Victoria | VIC | 3822 |
| Gannawarra | Victoria | VIC | 3568 |
| Gapsted | Victoria | VIC | 3737 |
| Garden City | Victoria | VIC | 3207 |
| Gardenvale | Victoria | VIC | 3185 |
| Garfield | Victoria | VIC | 3814 |
| Garfield North | Victoria | VIC | 3814 |
| Garibaldi | Victoria | VIC | 3352 |
| Garvoc | Victoria | VIC | 3265 |
| Gateway Island | Victoria | VIC | 3691 |
| Gatum | Victoria | VIC | 3407 |
| Gazette | Victoria | VIC | 3289 |
| Geelong | Victoria | VIC | 3220 |
| Geelong North | Victoria | VIC | 3215 |
| Geelong West | Victoria | VIC | 3218 |
| Gelantipy | Victoria | VIC | 3885 |
| Gellibrand | Victoria | VIC | 3239 |
| Gellibrand Lower | Victoria | VIC | 3237 |
| Gelliondale | Victoria | VIC | 3971 |
