Post Offices in & near Lyndon, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Lyndon, Illinois on 2nd Ave E. Operating hours, phone number, services information, and other locations.
Address: 409 2nd Ave E, Lyndon, IL 61261
Phone: 815-778-4864
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
