| Place | Post Code |
|---|---|
| Beungxang, Buengxang | 13000 |
| Bouttaphan, Buengxang | 13000 |
| Dongkhanchong, Buengxang | 13000 |
| Dongvai, Buengxang | 13000 |
| Khambounhuang, Buengxang | 13000 |
| Khamordong, Buengxang | 13000 |
| Khokkha, Buengxang | 13000 |
| Na, Buengxang | 13000 |
| Pagnai, Buengxang | 13000 |