| Place | Postal Code |
|---|---|
| Nakham, Namonmai | 10000 |
| Nami, Namonmai | 10000 |
| Namon Mai, Namonmai | 10000 |
| Namonyai, Namonmai | 10000 |
| Nongbuathong, Namonmai | 10000 |
| Phonesa Vat, Namonmai | 10000 |
| Phonexang, Namonmai | 10000 |
| Tham Tai, Namonmai | 10000 |
| Thong Neuad, Namonmai | 10000 |
| Postal Codes in Kasy | |
|---|---|
| Bouamphouk, Kasy | |
| Chieng, Kasy | |
| Namonmai, Kasy | |
| Phachao, Kasy | |
| Phoukham, Kasy | |
| Pounglak, Kasy | |