Knoxville
ZIP Code(s): 50138; County(s): Marion;
ZIP Code(s): 50138; County(s): Marion;
ZIP Code(s): 51450; County(s): Sac;
ZIP Code(s): 52245, 52246, 52240, 52242, 52243, 52244; County(s): Johnson;
ZIP Code(s): 51006; County(s): Ida;
ZIP Code(s): 52060; County(s): Jackson;
ZIP Code(s): 50530; County(s): Webster;
ZIP Code(s): 51245; County(s): O’Brien;
ZIP Code(s): 50450; County(s): Winnebago;
ZIP Code(s): 52142; County(s): Fayette;
ZIP Code(s): 51461; County(s): Crawford;
ZIP Code(s): 50525, 50526; County(s): Wright;
ZIP Code(s): 51201; County(s): O’Brien, Sioux;
ZIP Code(s): 50436; County(s): Winnebago, Hancock;
ZIP Code(s): 52218; County(s): Linn;
ZIP Code(s): 52209; County(s): Benton;
ZIP Code(s): 50563; County(s): Calhoun;
ZIP Code(s): 52748; County(s): Scott;
ZIP Code(s): 50626; County(s): Black Hawk;
ZIP Code(s): 52228, 52351; County(s): Benton, Linn;
ZIP Code(s): 51053; County(s): Sac;