| Place | Post Code |
|---|---|
| Boyanup, Capel | 6237 |
| Capel, Capel | 6271 |
| Capel River, Capel | 6271 |
| Dalyellup, Capel | 6230 |
| Elgin, Capel | 6237 |
| Forrest Beach, Capel | 6271 |
| Gelorup, Capel | 6230 |
| Gwindinup, Capel | 6237 |
| North Boyanup, Capel | 6237 |
| Peppermint Grove Beach, Capel | 6271 |
| Stirling Estate, Capel | 6271 |
| Stratham, Capel | 6237 |
| The Plains, Capel | 6237 |