| Place | Post Code |
|---|---|
| Boua Tai, Gnoun | 09000 |
| Dongdaan, Gnoun | 09000 |
| Hoy, Gnoun | 09000 |
| Kosy, Gnoun | 09000 |
| Kua, Gnoun | 09000 |
| Na Bong, Gnoun | 09000 |
| Na To, Gnoun | 09000 |
| Nachan, Gnoun | 09000 |
| Nongbuathong, Gnoun | 09000 |
| Nongnam, Gnoun | 09000 |
| Nongphue, Gnoun | 09000 |
| Peuk, Gnoun | 09000 |
| Phonexai, Gnoun | 09000 |
| Phoukham, Gnoun | 09000 |
| Thamhoixai, Gnoun | 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 | |