| Place | Postal Code |
|---|---|
| Hatgnao, Lakkhammai | 03000 |
| Hongleuay, Lakkhammai | 03000 |
| Lakkham Kao, Lakkhammai | 03000 |
| Lakkham Mai, Lakkhammai | 03000 |
| Namla, Lakkhammai | 03000 |
| Namleuang Kao, Lakkhammai | 03000 |
| Namleuang Mai, Lakkhammai | 03000 |
| Nammat Kao, Lakkhammai | 03000 |
| Nammat Mai, Lakkhammai | 03000 |
| Phinho, Lakkhammai | 03000 |