Post Offices in & near Castleton, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Castleton, Illinois on Main St. Operating hours, phone number, services information, and other locations.
Address: 219 Main St, Castleton, IL 61426
Phone: 309-479-3891
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
