City
- Avoca
- Carson
- Carter Lake
- Clarinda
- Council Bluffs
- Crescent
- Dunlap
- Glenwood
- Harlan
- Logan
- Macedonia
- Malvern
- McClelland
- Minden
- Missouri Valley
- Modale
- Mondamin
- Neola
- Pisgah
- Red Oak
- Shenandoah
- Sidney
- Treynor
- Underwood
- Villisca
County
Zip Code
- 50864
- 51501
- 51503
- 51510
- 51521
- 51525
- 51526
- 51529
- 51534
- 51537
- 51546
- 51548
- 51549
- 51551
- 51553
- 51555
- 51556
- 51557
- 51559
- 51564
- 51566
- 51575
- 51576
- 51601
- 51632
- 51652