| Place | Post Code |
|---|---|
| Chadi, Thiao | 03000 |
| Chakha Mai, Thiao | 03000 |
| Chakhakout, Thiao | 03000 |
| Deun Gnon, Thiao | 03000 |
| Kampon, Thiao | 03000 |
| Lave, Thiao | 03000 |
| Mai, Thiao | 03000 |
| Nam O, Thiao | 03000 |
| Namlot, Thiao | 03000 |
| Nongkham, Thiao | 03000 |
| Pako, Thiao | 03000 |
| Phadeng, Thiao | 03000 |
| Phoulan, Thiao | 03000 |
| Taleu, Thiao | 03000 |
| Talong, Thiao | 03000 |
| Thiao, Thiao | 03000 |
| All postal codes in Viengphoukha | |
|---|---|
| Namfa, Viengphoukha | |
| Namngeun, Viengphoukha | |
| Namphae, Viengphoukha | |
| Namsing, Viengphoukha | |
| Pakkhan, Viengphoukha | |
| Thiao, Viengphoukha | |
| Thonglat, Viengphoukha | |