| Place | Post Code |
|---|---|
| Baan Baa, Narrabri | 2390 |
| Bellata, Narrabri | 2397 |
| Boggabri, Narrabri | 2382 |
| Bohena Creek, Narrabri | 2390 |
| Boolcarroll, Narrabri | 2388 |
| Bullawa Creek, Narrabri | 2390 |
| Bulyeroi, Narrabri | 2387 |
| Couradda, Narrabri | 2390 |
| Cuttabri, Narrabri | 2388 |
| Drildool, Narrabri | 2386 |
| Edgeroi, Narrabri | 2390 |
| Eulah Creek, Narrabri | 2390 |
| Gwabegar, Narrabri | 2356 |
| Harparary, Narrabri | 2390 |
| Jacks Creek, Narrabri | 2390 |
| Jews Lagoon, Narrabri | 2397 |
| Kaputar, Narrabri | 2390 |
| Maules Creek, Narrabri | 2382 |
| Merah North, Narrabri | 2388 |
| Narrabri, Narrabri | 2390 |
| Narrabri West, Narrabri | 2390 |
| Nowley, Narrabri | 2386 |
| Pilliga, Narrabri | 2388 |
| Spring Plains, Narrabri | 2388 |
| Tarriaro, Narrabri | 2390 |
| The Pilliga, Narrabri | 2388 |