| Place | Post Code |
|---|---|
| Kerns, Kerns | 6064 |
| Melchsee-Frutt, Kerns | 6068 |
| Melchtal, Kerns | 6067 |
| Sankt Niklausen, Kerns | 6066 |
| All postal codes in Obwalden | |
|---|---|
| Alpnach, Obwalden | |
| Engelberg, Obwalden | |
| Giswil, Obwalden | |
| Kerns, Obwalden | |
| Lungern, Obwalden | |
| Sachseln, Obwalden | |
| Sarnen, Obwalden | |