| Place | Post Code |
|---|---|
| Bee, Thetsaban 1 | 09000 |
| Dong, Thetsaban 1 | 09000 |
| Huak, Thetsaban 1 | 09000 |
| Khangkhai, Thetsaban 1 | 09000 |
| Khou, Thetsaban 1 | 09000 |
| Lek, Thetsaban 1 | 09000 |
| Mone, Thetsaban 1 | 09000 |
| Nam Seung, Thetsaban 1 | 09000 |
| Naphong, Thetsaban 1 | 09000 |
| Nok, Thetsaban 1 | 09000 |
| Nonghaen, Thetsaban 1 | 09000 |
| Phonesavantai, Thetsaban 1 | 09000 |
| Phonkham, Thetsaban 1 | 09000 |
| Vieng, Thetsaban 1 | 09000 |
| Xang, Thetsaban 1 | 09000 |
| Yuan, Thetsaban 1 | 09000 |