| Post Office | Grinnell |
| Division | Poweshiek |
| Pincode | 50112 |
| Post Office | Montezuma |
| Division | Poweshiek |
| Pincode | 50171 |
| Post Office | Brooklyn |
| Division | Poweshiek |
| Pincode | 52211 |
| Post Office | Malcom |
| Division | Poweshiek |
| Pincode | 50157 |
| Post Office | Deep River |
| Division | Poweshiek |
| Pincode | 52222 |
| Post Office | Searsboro |
| Division | Poweshiek |
| Pincode | 50242 |
| Post Office | Hartwick |
| Division | Poweshiek |
| Pincode | 52232 |
| Post Office | Guernsey |
| Division | Poweshiek |
| Pincode | 52221 |
8 City in Poweshiek | List of Zip Codes Location In Iowa and Your selected County Poweshiek