| Place | Post Code |
|---|---|
| Cheuy, Chomka - Viengkham | 04000 |
| Chomka, Chomka - Viengkham | 04000 |
| Chomsen, Chomka - Viengkham | 04000 |
| Ke, Chomka - Viengkham | 04000 |
| Konggnang, Chomka - Viengkham | 04000 |
| Lao, Chomka - Viengkham | 04000 |
| Mokmouak, Chomka - Viengkham | 04000 |
| Namkout, Chomka - Viengkham | 04000 |
| Nampa, Chomka - Viengkham | 04000 |
| Pen, Chomka - Viengkham | 04000 |
| Phayuang, Chomka - Viengkham | 04000 |
| Pheun, Chomka - Viengkham | 04000 |
| Phouvieng, Chomka - Viengkham | 04000 |
| Sakhan, Chomka - Viengkham | 04000 |
| Senkhan, Chomka - Viengkham | 04000 |
| Ta Ing, Chomka - Viengkham | 04000 |
| Tangkok, Chomka - Viengkham | 04000 |
| Thouting, Chomka - Viengkham | 04000 |