| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Dangsavanh, Sikhai | 13000 |
| Postal/ZIP Codes in Kang Thong, Sikhai | 13000 |
| Postal/ZIP Codes in Khamdi, Sikhai | 13000 |
| Postal/ZIP Codes in Khamsavang, Sikhai | 13000 |
| Postal/ZIP Codes in Manilath, Sikhai | 13000 |
| Postal/ZIP Codes in Palay, Sikhai | 13000 |
| Postal/ZIP Codes in Sikhay, Sikhai | 13000 |