| Place | Post Code |
|---|---|
| Penrith South, Penrith | 2750 |
| Regentville, Penrith | 2745 |
| Saint Clair, Penrith | 2759 |
| Saint Marys, Penrith | 2760 |
| Saint Marys East, Penrith | 2760 |
| Saint Marys South, Penrith | 2760 |
| South Penrith, Penrith | 2750 |
| Wallacia, Penrith | 2745 |
| Werrington, Penrith | 2747 |
| Werrington County, Penrith | 2747 |
| Werrington Downs, Penrith | 2747 |