| Place | Post Code |
|---|---|
| Aeschlen ob Gunten, Sigriswil | 3656 |
| Beatenbucht, Sigriswil | 3658 |
| Gunten, Sigriswil | 3654 |
| Meiersmaad, Sigriswil | 3657 |
| Merligen, Sigriswil | 3658 |
| Ringoldswil, Sigriswil | 3656 |
| Schwanden, Sigriswil | 3657 |
| Sigriswil, Sigriswil | 3655 |
| Tschingel ob Gunten, Sigriswil | 3656 |