| Ort | Postleitzahl |
|---|---|
| Bakers Hill, Northam | 6562 |
| Buckland, Northam | 6401 |
| Burlong, Northam | 6401 |
| Clackline, Northam | 6564 |
| Copley, Northam | 6562 |
| Grass Valley, Northam | 6403 |
| Irishtown, Northam | 6401 |
| Jennapullin, Northam | 6401 |
| Katrine, Northam | 6401 |
| Malabaine, Northam | 6401 |
| Meenaar, Northam | 6401 |
| Mokine, Northam | 6401 |
| Muluckine, Northam | 6401 |
| Muresk, Northam | 6401 |
| Northam, Northam | 6401 |
| Southern Brook, Northam | 6401 |
| Spencers Brook, Northam | 6401 |
| Throssell, Northam | 6401 |
| Woottating, Northam | 6562 |
| Wundowie, Northam | 6560 |