| Place | Post Code |
|---|---|
| Gnortman, Nam-on | 11000 |
| Gnortxeng, Nam-on | 11000 |
| Houayta, Nam-on | 11000 |
| Kohay, Nam-on | 11000 |
| Kouchou, Nam-on | 11000 |
| Namkong, Nam-on | 11000 |
| Nampham, Nam-on | 11000 |
| Namsack, Nam-on | 11000 |
| Napung, Nam-on | 11000 |
| Phonekeo, Nam-on | 11000 |
| Phonesung, Nam-on | 11000 |
| Phoulan, Nam-on | 11000 |
| Sobmene, Nam-on | 11000 |
| Vangban, Nam-on | 11000 |
| All postal codes in Xaychomphone | |
|---|---|
| Muangcham, Xaychomphone | |
| Nachaeng, Xaychomphone | |
| Nam-on, Xaychomphone | |
| Phonsi, Xaychomphone | |
| Sopchat, Xaychomphone | |