Milo

ZIP Code(s): 50166; County(s): Warren;

Hazleton

ZIP Code(s): 50641; County(s): Buchanan;

Alburnett

ZIP Code(s): 52202; County(s): Linn;

Colfax

ZIP Code(s): 50054; County(s): Jasper;

Ventura

ZIP Code(s): 50428, 50482; County(s): Cerro Gordo;

De Soto

ZIP Code(s): 50003, 50069; County(s): Dallas;

Asbury

ZIP Code(s): 52002; County(s): Dubuque;

Glidden

ZIP Code(s): 51443; County(s): Carroll;

Whiting

ZIP Code(s): 51063; County(s): Monona;

Shenandoah

ZIP Code(s): 51601, 51603; County(s): Page;

Burlington

ZIP Code(s): 52601; County(s): Des Moines;

Stuart

ZIP Code(s): 50250; County(s): Guthrie, Adair;

Grinnell

ZIP Code(s): 50112; County(s): Poweshiek;

Solon

ZIP Code(s): 52333; County(s): Johnson;

Keota

ZIP Code(s): 52248; County(s): Keokuk;

Hudson

ZIP Code(s): 50613, 50643; County(s): Black Hawk;

Goldfield

ZIP Code(s): 50542; County(s): Wright;

Oelwein

ZIP Code(s): 50662; County(s): Fayette;