| Place | Post Code |
|---|---|
| Banphan, Thavaeng | 11000 |
| Ka-Anh, Thavaeng | 11000 |
| Ketsana, Thavaeng | 11000 |
| Kongphat, Thavaeng | 11000 |
| Nachalay, Thavaeng | 11000 |
| Nonghong, Thavaeng | 11000 |
| Phahoua, Thavaeng | 11000 |
| Phonekham, Thavaeng | 11000 |
| Phonemenh, Thavaeng | 11000 |
| Phonepheng, Thavaeng | 11000 |
| Phonesavang, Thavaeng | 11000 |
| Phouvieng, Thavaeng | 11000 |
| Samhing, Thavaeng | 11000 |
| Samteui, Thavaeng | 11000 |
| Sobkhom, Thavaeng | 11000 |
| Thacheng, Thavaeng | 11000 |
| Vangmaklot, Thavaeng | 11000 |
| All postal codes in Khamkeuth | |
|---|---|
| Khammouan, Khamkeuth | |
| Nong-o, Khamkeuth | |
| Nongkok, Khamkeuth | |
| Phontan, Khamkeuth | |
| Thavaeng, Khamkeuth | |
| Thongkhe, Khamkeuth | |
| Thongsaen, Khamkeuth | |