| Place | Post Code |
|---|---|
| Hai, Kangsaen | 09000 |
| Nachong, Kangsaen | 09000 |
| Namka, Kangsaen | 09000 |
| Namouk Or Nam Mun, Kangsaen | 09000 |
| Naphia, Kangsaen | 09000 |
| Nathaeng, Kangsaen | 09000 |
| Nawan, Kangsaen | 09000 |
| Naxai, Kangsaen | 09000 |
| Nonghoi, Kangsaen | 09000 |
| Phon, Kangsaen | 09000 |
| Thang, Kangsaen | 09000 |
| Xieng Neua, Kangsaen | 09000 |
| Xiengdi, Kangsaen | 09000 |
| Xua, Kangsaen | 09000 |
| All postal codes in Phaxay | |
|---|---|
| Kangsaen, Phaxay | |
| Namsiam, Phaxay | |
| Saen-oudom, Phaxay | |
| Somboun, Phaxay | |