| Place | Post Code |
|---|---|
| Dongkhamxang, Salakham | 01120 |
| Nahai, Salakham | 01120 |
| Nonghai, Salakham | 01120 |
| Nongheo, Salakham | 01120 |
| Nongveng, Salakham | 01120 |
| Salakham, Salakham | 01120 |
| Somsanouk, Salakham | 01120 |
| Somvang Neua, Salakham | 01120 |
| Somvang Tai, Salakham | 01120 |
| All postal codes in Hadxaifong | |
|---|---|
| Bo-o, Hadxaifong | |
| Hom, Hadxaifong | |
| Salakham, Hadxaifong | |
| Simmano, Hadxaifong | |
| Sithan-tai, Hadxaifong | |
| Thadua, Hadxaifong | |
| Thapha, Hadxaifong | |