| Locality | Post Code |
|---|---|
| Aldrich, Wadena | 56434 |
| Blueberry, Wadena | 56464 |
| Huntersville, Wadena | 56464 |
| Menahga, Wadena | 56464 |
| Midway, Wadena | 56464 |
| Moran, Wadena | 56479 |
| Nimrod, Wadena | 56478 |
| Oylen, Wadena | 56481 |
| Poplar, Wadena | 56479 |
| Runeberg, Wadena | 56464 |
| Sebeka, Wadena | 56477 |
| Shell River, Wadena | 56464 |
| Staples, Wadena | 56479 |
| Thomastown, Wadena | 56481 |
| Verndale, Wadena | 56481 |
| Wadena, Wadena | 56482 |
| Wing River, Wadena | 56481 |