Post Offices in & near Castalia, Iowa. Operating hours, locations, phone/fax number, services information.
Post Office in Castalia, Iowa on E Greene St. Operating hours, phone number, services information, and other locations.
Address: 206 E Greene St, Castalia, IA 52133
Phone: 563-567-8416
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
