| Locality | Post Code |
|---|---|
| Acorn, Polk | 71953 |
| Big Fork, Polk | 71953 |
| Black Fork, Polk | 71953 |
| Board Camp, Polk | 71932 |
| Cove, Polk | 71937 |
| Dallas, Polk | 71953 |
| Grannis, Polk | 71944 |
| Hatfield, Polk | 71945 |
| Hatton, Polk | 71937 |
| Ink, Polk | 71953 |
| Mena, Polk | 71953 |
| Menos, Polk | 71953 |
| Mountain Fork, Polk | 71953 |
| Nunley, Polk | 71953 |
| Opal, Polk | 71932 |
| Potter, Polk | 71953 |
| Potter Junction, Polk | 71953 |
| Rocky, Polk | 71953 |
| Vandervoort, Polk | 71972 |
| Wickes, Polk | 71973 |
| Yocana, Polk | 71953 |