| Place | Post Code |
|---|---|
| Buasawan, Naphiang | 10000 |
| Dongkha, Naphiang | 10000 |
| Namphork, Naphiang | 10000 |
| Napapha, Naphiang | 10000 |
| Naphieng, Naphiang | 10000 |
| Nonechaleun, Naphiang | 10000 |
| Pong, Naphiang | 10000 |
| Somsanouk, Naphiang | 10000 |
| All postal codes in Xanakharm | |
|---|---|
| Khokkhaodo, Xanakharm | |
| Namkouan, Xanakharm | |
| Naphiang, Xanakharm | |
| Nonsavan, Xanakharm | |
| Pakphang, Xanakharm | |
| Saenchaleun, Xanakharm | |
| Xanakham, Xanakharm | |