Post Offices in & near Watson, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Watson, Illinois on S Monroe St. Operating hours, phone number, services information, and other locations.
Address: 101 S Monroe St, Watson, IL 62473
Phone: 217-536-6136
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
