| Place |
Post Code |
| Chapong, Muangxuem |
07000 |
| Hatchai, Muangxuem |
07000 |
| Houaychok, Muangxuem |
07000 |
| Houaymor, Muangxuem |
07000 |
| Houaypain, Muangxuem |
07000 |
| Katon, Muangxuem |
07000 |
| Muangseum, Muangxuem |
07000 |
| Navanh, Muangxuem |
07000 |
| Phadaeng, Muangxuem |
07000 |
| Ponpouak, Muangxuem |
07000 |
| Santvan, Muangxuem |
07000 |
| Sobwaek, Muangxuem |
07000 |
| Tamo, Muangxuem |
07000 |
| All postal codes in Muang Et |
| Chaefay, Muang Et |
| Dan, Muang Et |
| Longhoy, Muang Et |
| Muang-aet, Muang Et |
| Muangvan, Muang Et |
| Muangxuem, Muang Et |
| Na, Muang Et |
| Nakai, Muang Et |
| Nakham, Muang Et |
| Naphiang, Muang Et |
| Xiengkhoun, Muang Et |