Wilton

ZIP Code(s): 52778; County(s): Muscatine, Cedar;

Dubuque

ZIP Code(s): 52002, 52003, 52001, 52004, 52099; County(s): Dubuque;

Swisher

ZIP Code(s): 52338; County(s): Johnson;

Farley

ZIP Code(s): 52046; County(s): Dubuque;

Winthrop

ZIP Code(s): 50682; County(s): Buchanan;

Granger

ZIP Code(s): 50109; County(s): Dallas;

Spirit Lake

ZIP Code(s): 51360; County(s): Dickinson;

Washington

ZIP Code(s): 52353; County(s): Washington;

Waverly

ZIP Code(s): 50677; County(s): Bremer;

Centerville

ZIP Code(s): 52544; County(s): Appanoose;

Wellman

ZIP Code(s): 52356; County(s): Washington;

Avoca

ZIP Code(s): 51521; County(s): Pottawattamie;

Urbandale

ZIP Code(s): 50111, 50323, 50322, 50334; County(s): Polk, Dallas;

Orleans

ZIP Code(s): 51360; County(s): Dickinson;

Carroll

ZIP Code(s): 51401; County(s): Carroll;

Hawarden

ZIP Code(s): 51023; County(s): Sioux;

Gladbrook

ZIP Code(s): 50635; County(s): Tama;

Ruthven

ZIP Code(s): 51358; County(s): Palo Alto;

Reinbeck

ZIP Code(s): 50669; County(s): Grundy;