City
| City / Place Name | ZIP | County | State | Longitude | Latitude |
|---|---|---|---|---|---|
| Grinnell | 50112 | Poweshiek | Iowa | -92.7344 | 41.7421 |
| Malcom | 50157 | Poweshiek | Iowa | -92.5354 | 41.7695 |
| Montezuma | 50171 | Poweshiek | Iowa | -92.5276 | 41.5928 |
| Searsboro | 50242 | Poweshiek | Iowa | -92.6987 | 41.5656 |
| Brooklyn | 52211 | Poweshiek | Iowa | -92.4285 | 41.7321 |
| Guernsey | 52221 | Poweshiek | Iowa | -92.3479 | 41.6378 |
| Deep River | 52222 | Poweshiek | Iowa | -92.3645 | 41.5717 |
| Hartwick | 52232 | Poweshiek | Iowa | -92.3538 | 41.808 |