Post Offices in & near Sheffield, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Sheffield, Illinois on S Main St. Operating hours, phone number, services information, and other locations.
Address: 116 S Main St, Sheffield, IL 61361
Phone: 815-454-2547
Fax: 815-454-2547
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
