| Ort | Postleitzahl |
|---|---|
| Baengkhamlay, Lahanam | 13000 |
| Dongbang, Lahanam | 13000 |
| Kokphok, Lahanam | 13000 |
| Koudhi, Lahanam | 13000 |
| Lahakhok, Lahanam | 13000 |
| Lahanamtha, Lahanam | 13000 |
| Lahanamthong, Lahanam | 13000 |
| Mouangkhay, Lahanam | 13000 |
| Nongsabeng, Lahanam | 13000 |
| Thakhamlian, Lahanam | 13000 |