City
- Atlantic
- Audubon
- Avoca
- Carson
- Carter Lake
- Clarinda
- Council Bluffs
- Crescent
- Dunlap
- Emerson
- Glenwood
- Hamburg
- Harlan
- Henderson
- Logan
- Magnolia
- Malvern
- Minden
- Missouri Valley
- Mondamin
- Moorhead
- Pacific Junction
- Pisgah
- Red Oak
- Shelby
- Shenandoah
- Sidney
- Thurman
- Treynor
- Underwood
- Villisca
- Woodbine
County
Zip Code
- 50022
- 50025
- 50864
- 51501
- 51503
- 51510
- 51521
- 51525
- 51526
- 51529
- 51533
- 51534
- 51537
- 51541
- 51546
- 51550
- 51551
- 51553
- 51555
- 51557
- 51558
- 51561
- 51564
- 51566
- 51570
- 51575
- 51576
- 51601
- 51632
- 51640
- 51652
- 51654