Post Offices in & near Round Lake, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Round Lake, Illinois on N Municipal Way. Operating hours, phone number, services information, and other locations.
Address: 1940 N Municipal Way, Round Lake, IL 60073
Phone: 847-740-6528
Fax: 847-740-6534
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457