| Place | Post Code |
|---|---|
| Horkang, Saen-oudom | 09000 |
| Horsim, Saen-oudom | 09000 |
| Nakho, Saen-oudom | 09000 |
| Nasom, Saen-oudom | 09000 |
| Natieng, Saen-oudom | 09000 |
| Natuang, Saen-oudom | 09000 |
| Ngua, Saen-oudom | 09000 |
| Nong, Saen-oudom | 09000 |
| Phosi, Saen-oudom | 09000 |
| Som Or Hom, Saen-oudom | 09000 |
| Tao, Saen-oudom | 09000 |
| Thamphouk, Saen-oudom | 09000 |
| All postal codes in Phaxay | |
|---|---|
| Kangsaen, Phaxay | |
| Namsiam, Phaxay | |
| Saen-oudom, Phaxay | |
| Somboun, Phaxay | |