City
| City / Place Name | ZIP | County | State | Longitude | Latitude |
|---|---|---|---|---|---|
| Morning Sun | 52640 | Louisa | Iowa | -91.2581 | 41.0984 |
| Oakville | 52646 | Louisa | Iowa | -91.0439 | 41.1003 |
| Wapello | 52653 | Louisa | Iowa | -91.1719 | 41.207 |
| Columbus City | 52737 | Louisa | Iowa | -91.3747 | 41.2593 |
| Columbus Junction | 52738 | Louisa | Iowa | -91.3006 | 41.2926 |
| Grandview | 52752 | Louisa | Iowa | -91.1885 | 41.2759 |
| Letts | 52754 | Louisa | Iowa | -91.204 | 41.293 |