| Place | Post Code |
|---|---|
| Dou, Thongkham | 12000 |
| Lang Kang, Thongkham | 12000 |
| Mai Vang Kouan, Thongkham | 12000 |
| Na Chat, Thongkham | 12000 |
| Na Home, Thongkham | 12000 |
| Na Phao, Thongkham | 12000 |
| Nong Boua, Thongkham | 12000 |
| Nong No, Thongkham | 12000 |
| Nong Seng, Thongkham | 12000 |
| Pha Nob, Thongkham | 12000 |
| Pha Song, Thongkham | 12000 |
| Phon, Thongkham | 12000 |
| Tha Xang, Thongkham | 12000 |
| That, Thongkham | 12000 |
| Thong Kham, Thongkham | 12000 |
| Vang Khon, Thongkham | 12000 |
| Vang Ma Neu, Thongkham | 12000 |