Postcodes for Sonkakoski - Finland
List of postcodes associated with Sonkakoski in Finland.
| Postcode | Town/locality | Region / county / province | Type | Source | Last update |
|---|---|---|---|---|---|
| 74360 | Sonkakoski | Pohjois-Savo | Complete postcode | Posti Postal Code Data File | 7/13/2026 |