| Place | Post Code |
|---|---|
| Dongnaxok Neua, Sikhai | 01010 |
| Gnapha, Sikhai | 01010 |
| Meuang Va Tha, Sikhai | 01010 |
| Meuang Va Thong, Sikhai | 01010 |
| Nahe, Sikhai | 01010 |
| Phosi, Sikhai | 01010 |
| Sibounheuang Tha, Sikhai | 01010 |
| Sibounheuang Thong, Sikhai | 01010 |
| Sikhaitha, Sikhai | 01010 |
| Sikhaithong Neua, Sikhai | 01010 |
| Sikhaithong Tai, Sikhai | 01010 |
| Viengsavane, Sikhai | 01010 |
| All postal codes in Sikhottabong | |
|---|---|
| Kaoliao, Sikhottabong | |
| Mai, Sikhottabong | |
| Nongbuk, Sikhottabong | |
| Nongdouang, Sikhottabong | |
| Nongniao, Sikhottabong | |
| Sikhai, Sikhottabong | |
| Sithan, Sikhottabong | |