| Place | Post Code |
|---|---|
| Done Kha Yung Tai, Nadou | 14000 |
| Dornkagnoungna, Nadou | 14000 |
| Dornmouang, Nadou | 14000 |
| Na Bone, Nadou | 14000 |
| Na Hong Kang, Nadou | 14000 |
| Na Hong Kham, Nadou | 14000 |
| Nadou Gnai, Nadou | 14000 |
| Nadou Noy, Nadou | 14000 |
| Nahong, Nadou | 14000 |
| None Sa Vang, Nadou | 14000 |
| Pasiakoung, Nadou | 14000 |
| Thammaleu, Nadou | 14000 |
| Thong Kai Khoua, Nadou | 14000 |
| All postal codes in Toomlarn | |
|---|---|
| Kalaeng, Toomlarn | |
| Kokmouang, Toomlarn | |
| Nadou, Toomlarn | |
| Taveuy, Toomlarn | |
| Toumlan, Toomlarn | |