| Locality | Post Code |
|---|---|
| Amery, Polk | 54001 |
| Arland, Polk | 54004 |
| Balsam Lake, Polk | 54810 |
| Black Brook, Polk | 54005 |
| Centuria, Polk | 54824 |
| Clam Falls, Polk | 54837 |
| Clayton, Polk | 54004 |
| Clear Lake, Polk | 54005 |
| Cushing, Polk | 54006 |
| Deronda, Polk | 54001 |
| Dresser, Polk | 54009 |
| East Farmington, Polk | 54020 |
| Eureka, Polk | 54024 |
| Frederic, Polk | 54837 |
| Joel, Polk | 54001 |
| Laketown, Polk | 54006 |
| Lewis, Polk | 54837 |
| Little Falls, Polk | 54001 |
| Luck, Polk | 54853 |
| Milltown, Polk | 54858 |
| New Haven, Polk | 54005 |
| Nye, Polk | 54020 |
| Osceola, Polk | 54020 |
| Range, Polk | 54001 |
| Reeve, Polk | 54004 |
| Richardson, Polk | 54004 |