Postal code for Sonnenberg, Oberhelfenschwil - exact result
Sonnenberg has 4 addresses. All addresses on this street share postcode 9621.
Postal code: 9621
Addresses
| Sonnenberg 538 | 9621 |
| Sonnenberg 538.1 | 9621 |
| Sonnenberg 538.2 | 9621 |
| Sonnenberg 538.3 | 9621 |