Bezirk Gäu
Localities in Bezirk Gäu
| Postal code | Locality | Municipality | District | Canton |
|---|---|---|---|---|
| 4622 | Egerkingen | Egerkingen | Bezirk Gäu | Solothurn |
| 4622 | Egerkingen | Neuendorf | Bezirk Gäu | Solothurn |
| 4623 | Neuendorf | Oberbuchsiten | Bezirk Gäu | Solothurn |
| 4623 | Neuendorf | Neuendorf | Bezirk Gäu | Solothurn |
| 4624 | Härkingen | Härkingen | Bezirk Gäu | Solothurn |
| 4625 | Oberbuchsiten | Oberbuchsiten | Bezirk Gäu | Solothurn |
| 4626 | Niederbuchsiten | Niederbuchsiten | Bezirk Gäu | Solothurn |
| 4626 | Niederbuchsiten | Oberbuchsiten | Bezirk Gäu | Solothurn |
| 4628 | Wolfwil | Wolfwil | Bezirk Gäu | Solothurn |
| 4629 | Fulenbach | Härkingen | Bezirk Gäu | Solothurn |
| 4629 | Fulenbach | Neuendorf | Bezirk Gäu | Solothurn |
| 4702 | Oensingen | Oensingen | Bezirk Gäu | Solothurn |
| 4703 | Kestenholz | Kestenholz | Bezirk Gäu | Solothurn |
| 4710 | Balsthal | Oensingen | Bezirk Gäu | Solothurn |
| 4718 | Holderbank SO | Oberbuchsiten | Bezirk Gäu | Solothurn |