| Place | Post Code |
|---|---|
| Hongsi, Xieng | 09000 |
| Huaychae, Xieng | 09000 |
| Na-Ou, Xieng | 09000 |
| Nahor, Xieng | 09000 |
| Nalieng, Xieng | 09000 |
| Namphuan, Xieng | 09000 |
| Napho, Xieng | 09000 |
| Nasi, Xieng | 09000 |
| Naxai, Xieng | 09000 |
| Phai, Xieng | 09000 |
| Phiavat, Xieng | 09000 |
| Phoneyaeng, Xieng | 09000 |
| Phosy, Xieng | 09000 |
| Siphom, Xieng | 09000 |
| Thoum, Xieng | 09000 |
| Xang, Xieng | 09000 |
| All postal codes in Khoune | |
|---|---|
| Gnoun, Khoune | |
| Keosaet, Khoune | |
| Longxan, Khoune | |
| Nam-oun, Khoune | |
| Namphan, Khoune | |
| Ngan, Khoune | |
| Samphanxai, Khoune | |
| Sanlouang, Khoune | |
| Xieng, Khoune | |