| Place | Postal Code |
|---|---|
| Abnkang, Chaefay | 07000 |
| Cheirfai, Chaefay | 07000 |
| Hinkhoun, Chaefay | 07000 |
| Houaylake, Chaefay | 07000 |
| Houayngaen, Chaefay | 07000 |
| Longkeo, Chaefay | 07000 |
| Nabad, Chaefay | 07000 |
| Nakeua Neua, Chaefay | 07000 |
| Napa, Chaefay | 07000 |
| Nongxay, Chaefay | 07000 |
| Pakhuang, Chaefay | 07000 |
| Phaheub, Chaefay | 07000 |
| Xiengkhoun, Chaefay | 07000 |