| Place | Post Code |
|---|---|
| Banlao, Viengkham | 11000 |
| Houayhay, Viengkham | 11000 |
| Houayphet, Viengkham | 11000 |
| Khornsong, Viengkham | 11000 |
| Na-In, Viengkham | 11000 |
| Namkham, Viengkham | 11000 |
| Namsang, Viengkham | 11000 |
| Naphong, Viengkham | 11000 |
| Nasang, Viengkham | 11000 |
| Nathorn, Viengkham | 11000 |
| Phanalieng, Viengkham | 11000 |
| Phonemuang, Viengkham | 11000 |
| Phonethong, Viengkham | 11000 |
| Viengkham, Viengkham | 11000 |
| All postal codes in Pakkading | |
|---|---|
| Pakkading, Pakkading | |
| Pakthon, Pakkading | |
| Thongnami, Pakkading | |
| Viengkham, Pakkading | |