| Place | Post Code |
|---|---|
| Dongnaxok Tai, Nongdouang | 01010 |
| Dongpalep, Nongdouang | 01010 |
| Hongkha Tai, Nongdouang | 01010 |
| Nongbouathong Neua, Nongdouang | 01010 |
| Nongbouathong Tai, Nongdouang | 01010 |
| Nongdouang Neua, Nongdouang | 01010 |
| Nongdouang Tai, Nongdouang | 01010 |
| Nongdouang Thong, Nongdouang | 01010 |
| Phonkham, Nongdouang | 01010 |
| Phonsawat Tai, Nongdouang | 01010 |
| All postal codes in Sikhottabong | |
|---|---|
| Kaoliao, Sikhottabong | |
| Mai, Sikhottabong | |
| Nongbuk, Sikhottabong | |
| Nongdouang, Sikhottabong | |
| Nongniao, Sikhottabong | |
| Sikhai, Sikhottabong | |
| Sithan, Sikhottabong | |