| Place | Post Code |
|---|---|
| Donkhoun, Louang | 03000 |
| Khon, Louang | 03000 |
| Louang, Louang | 03000 |
| Naleu, Louang | 03000 |
| Namngen, Louang | 03000 |
| Namsa, Louang | 03000 |
| Namyang, Louang | 03000 |
| Pasak, Louang | 03000 |
| Phiengngam, Louang | 03000 |
| Phonxaisawang, Louang | 03000 |
| Tha O, Louang | 03000 |