| Place | Post Code |
|---|---|
| Banmor, Muangna | 07000 |
| Gnorttang, Muangna | 07000 |
| Houaymuang, Muangna | 07000 |
| Houayngoua, Muangna | 07000 |
| Houaypeuy, Muangna | 07000 |
| Houayxay, Muangna | 07000 |
| Longkuang, Muangna | 07000 |
| Mouangna, Muangna | 07000 |
| Na-Orh, Muangna | 07000 |
| Nangom, Muangna | 07000 |
| Nathong, Muangna | 07000 |
| Navin, Muangna | 07000 |
| Pahang, Muangna | 07000 |
| Paka, Muangna | 07000 |
| Phounathong, Muangna | 07000 |
| Poungsieng, Muangna | 07000 |