Gladbrook
ZIP Code(s): 50635; County(s): Tama;
Iowa
Ruthven
ZIP Code(s): 51358; County(s): Palo Alto;
Ridgeway
ZIP Code(s): 53582; County(s): Iowa;
Reinbeck
ZIP Code(s): 50669; County(s): Grundy;
Doon
ZIP Code(s): 51235; County(s): Lyon;
Huxley
ZIP Code(s): 50046, 50124; County(s): Story;
Boone
ZIP Code(s): 50036, 50037, 50099; County(s): Boone;
Sioux City
ZIP Code(s): 51106, 51104, 51105, 51103, 51101, 51108, 51109, 51111; County(s): Woodbury;
Clarksville
ZIP Code(s): 50619; County(s): Butler;
Remsen
ZIP Code(s): 51050; County(s): Plymouth;
Walcott
ZIP Code(s): 52773; County(s): Scott;
Le Grand
ZIP Code(s): 50142; County(s): Marshall;
Ackley
ZIP Code(s): 50601; County(s): Hardin, Franklin;
Glenwood
ZIP Code(s): 51534; County(s): Mills;
Perry
ZIP Code(s): 50220; County(s): Dallas;
Des Moines
ZIP Code(s): 50309, 50312, 50314, 50316, 50317, 50310, 50311, 50313, 50319, 50321, 50320, 50315, 50301, 50302, 50303, 50304, 50305, 50306, 50307, 50308, 50318, 50328, 50329, 50330, 50331, 50332, 50335, 50340, 50380, 50381, 50391, 50392, 50393, 50394, 50395, 50396, 50936, 50940, 50947, 50950, 50980, 50981, 50982, 50983; County(s): Polk;
Winterset
ZIP Code(s): 50273; County(s): Madison;
Cascade
ZIP Code(s): 52033; County(s): Dubuque, Jones;
Onawa
ZIP Code(s): 51040; County(s): Monona;
Stratford
ZIP Code(s): 50249; County(s): Hamilton, Webster;