| Place | Post Code |
|---|---|
| Chom Chouk, Phibounthong | 05000 |
| Donchan, Phibounthong | 05000 |
| Huakhua, Phibounthong | 05000 |
| Laoleng, Phibounthong | 05000 |
| Mokkachork, Phibounthong | 05000 |
| Namhor Tai, Phibounthong | 05000 |
| Namkham, Phibounthong | 05000 |
| Oudom, Phibounthong | 05000 |
| Parkhao Neua, Phibounthong | 05000 |
| Parkhao Tai, Phibounthong | 05000 |
| Phibounthong, Phibounthong | 05000 |
| Phou Kha Mai, Phibounthong | 05000 |
| Sibounheuang, Phibounthong | 05000 |
| Thongbia, Phibounthong | 05000 |
| Vieng Mai, Phibounthong | 05000 |