| Place | Post Code |
|---|---|
| Khuaydeng, Simmano | 01120 |
| Nalong, Simmano | 01120 |
| Simmano Neua, Simmano | 01120 |
| Simmano Tai, Simmano | 01120 |
| Thinthen, Simmano | 01120 |
| All postal codes in Hadxaifong | |
|---|---|
| Bo-o, Hadxaifong | |
| Hom, Hadxaifong | |
| Salakham, Hadxaifong | |
| Simmano, Hadxaifong | |
| Sithan-tai, Hadxaifong | |
| Thadua, Hadxaifong | |
| Thapha, Hadxaifong | |