| Place | Post Code |
|---|---|
| Homphou, Mouangnam | 07000 |
| Muangnamh, Mouangnam | 07000 |
| Paboua, Mouangnam | 07000 |
| Phahoy, Mouangnam | 07000 |
| Poungsaet, Mouangnam | 07000 |
| Sobphong, Mouangnam | 07000 |
| Thalat, Mouangnam | 07000 |
| All postal codes in Xiengkhor | |
|---|---|
| Mouangnam, Xiengkhor | |
| Natong, Xiengkhor | |
| Phiangsa, Xiengkhor | |
| Sommon, Xiengkhor | |
| Sopxay, Xiengkhor | |
| Xiengkho, Xiengkhor | |