| Place | Post Code |
|---|---|
| Bonau, Wigoltingen | 8554 |
| Engwang, Wigoltingen | 8556 |
| Gehrau, Wigoltingen | 8554 |
| Hasli, Wigoltingen | 8554 |
| Häusern, Wigoltingen | 8554 |
| Illhart, Wigoltingen | 8556 |
| Lamperswil, Wigoltingen | 8556 |
| Müllheim-Wigoltingen, Wigoltingen | 8554 |
| Wagerswil, Wigoltingen | 8564 |
| Wigoltingen, Wigoltingen | 8556 |