| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kärsämäki, Pohjois-Pohjanmaa) | 86710 |
| Postal/ZIP Codes in Venetpalo, Pohjois-Pohjanmaa) | 86790 |
| Postal Codes in Nivala-Haapajärvi | |
|---|---|
| Postal/ZIP Codes in Haapajärvi | |
| Postal/ZIP Codes in Kärsämäki | |
| Postal/ZIP Codes in Nivala | |
| Postal/ZIP Codes in Pyhäjärvi | |
| Postal/ZIP Codes in Reisjärvi | |