| Place | Post Code |
|---|---|
| Dakdun, Vongsamphan | 17000 |
| Huayboi, Vongsamphan | 17000 |
| Huayhan, Vongsamphan | 17000 |
| Huaykout, Vongsamphan | 17000 |
| Kang, Vongsamphan | 17000 |
| Naxeuak, Vongsamphan | 17000 |
| All postal codes in Phouvong | |
|---|---|
| Namkong, Phouvong | |
| Somboun, Phouvong | |
| Vongsamphan, Phouvong | |
| Vongvilai, Phouvong | |