| Place | Post Code |
|---|---|
| Bansan, Nachaeng | 11000 |
| Houay Kao, Nachaeng | 11000 |
| Houaykhang, Nachaeng | 11000 |
| Khamkouna, Nachaeng | 11000 |
| Namdoy, Nachaeng | 11000 |
| Namsangin, Nachaeng | 11000 |
| Nanevang, Nachaeng | 11000 |
| Phakhao, Nachaeng | 11000 |
| Phapoun, Nachaeng | 11000 |
| Phiengpho, Nachaeng | 11000 |
| Phonedou, Nachaeng | 11000 |
| Phonemouang, Nachaeng | 11000 |
| All postal codes in Xaychomphone | |
|---|---|
| Muangcham, Xaychomphone | |
| Nachaeng, Xaychomphone | |
| Nam-on, Xaychomphone | |
| Phonsi, Xaychomphone | |
| Sopchat, Xaychomphone | |