| Place | Post Code |
|---|---|
| Hatsamkhon, Keosaet | 09000 |
| Na Nay, Keosaet | 09000 |
| Nong, Keosaet | 09000 |
| Phakhing, Keosaet | 09000 |
| Pieng, Keosaet | 09000 |
| Poung, Keosaet | 09000 |
| Tan Neua, Keosaet | 09000 |
| Tan Tai, Keosaet | 09000 |
| Tham Hua Lao, Keosaet | 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 | |