| Place | Post Code |
|---|---|
| Richmond Vale, Cessnock | 2323 |
| Rothbury, Cessnock | 2320 |
| Sawyers Gully, Cessnock | 2326 |
| Stanford Merthyr, Cessnock | 2327 |
| Stockrington, Cessnock | 2322 |
| Sweetmans Creek, Cessnock | 2325 |
| Watagan, Cessnock | 2325 |
| Weston, Cessnock | 2326 |
| Wollombi, Cessnock | 2325 |
| Yengo National Park, Cessnock | 2325 |