Post Offices in & near Knierim, Iowa. Operating hours, locations, phone/fax number, services information.
Post Office in Knierim, Iowa on Center St. Operating hours, phone number, services information, and other locations.
Address: 218 Center St, Knierim, IA 50552
Phone: 515-463-2248
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457