| Place | Post Code |
|---|---|
| Houaxieng, Muangpeun | 07000 |
| Khong, Muangpeun | 07000 |
| Kohay, Muangpeun | 07000 |
| Long-Ang, Muangpeun | 07000 |
| Meuabeurn, Muangpeun | 07000 |
| Nakeng, Muangpeun | 07000 |
| Nampong, Muangpeun | 07000 |
| Nasam, Muangpeun | 07000 |
| Phao, Muangpeun | 07000 |
| Poungpak, Muangpeun | 07000 |
| Thetsabanmouang, Muangpeun | 07000 |
| Thonggnort, Muangpeun | 07000 |
| Vek, Muangpeun | 07000 |