| Place | Post Code |
|---|---|
| Bamganie, Golden Plains | 3333 |
| Bannockburn, Golden Plains | 3331 |
| Barunah Park, Golden Plains | 3329 |
| Berringa, Golden Plains | 3351 |
| Cambrian Hill, Golden Plains | 3352 |
| Cape Clear, Golden Plains | 3351 |
| Corindhap, Golden Plains | 3352 |
| Dereel, Golden Plains | 3352 |
| Durdidwarrah, Golden Plains | 3342 |
| Enfield, Golden Plains | 3352 |
| Garibaldi, Golden Plains | 3352 |
| Gheringhap, Golden Plains | 3331 |
| Grenville, Golden Plains | 3352 |
| Haddon, Golden Plains | 3351 |
| Happy Valley, Golden Plains | 3360 |
| Hesse, Golden Plains | 3321 |
| Illabarook, Golden Plains | 3351 |
| Inverleigh, Golden Plains | 3321 |
| Lethbridge, Golden Plains | 3332 |
| Linton, Golden Plains | 3360 |
| Mannibadar, Golden Plains | 3360 |
| Maude, Golden Plains | 3331 |
| Meredith, Golden Plains | 3333 |
| Mount Mercer, Golden Plains | 3352 |
| Murgheboluc, Golden Plains | 3218 |
| Napoleons, Golden Plains | 3352 |
| All postal codes in Southwest | |
|---|---|
| Colac-Otway, Southwest | |
| Golden Plains, Southwest | |
| Greater Geelong, Southwest | |
| Queenscliffe, Southwest | |
| Surf Coast, Southwest | |