| Place | Post Code |
|---|---|
| Laongam, Namuangsaen | 13000 |
| Nakhikak, Namuangsaen | 13000 |
| Namkheun, Namuangsaen | 13000 |
| Nammeng, Namuangsaen | 13000 |
| Namouangsen Neua, Namuangsaen | 13000 |
| Namouangsen Tai, Namuangsaen | 13000 |
| Napho, Namuangsaen | 13000 |
| Nava, Namuangsaen | 13000 |
| Naxiengle, Namuangsaen | 13000 |