| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Gringegalgona | Victoria | VIC | 3315 |
| Gritjurk | Victoria | VIC | 3315 |
| Grovedale | Victoria | VIC | 3216 |
| Grovedale East, PO Boxes | Victoria | VIC | 3216 |
| Gruyere | Victoria | VIC | 3770 |
| Guildford | Victoria | VIC | 3451 |
| Gunbower | Victoria | VIC | 3566 |
| Gundowring | Victoria | VIC | 3691 |
| Gunyah, Foster | Victoria | VIC | 3960 |
| Guys Forest | Victoria | VIC | 3709 |
| Guys Hill | Victoria | VIC | 3807 |
| Gymbowen | Victoria | VIC | 3401 |
