Post Offices in & near Lyon, Mississippi. Operating hours, locations, phone/fax number, services information.
Post Office in Lyon, Mississippi on Park St. Operating hours, phone number, services information, and other locations.
Address: 109 Park St, Lyon, MS 38645
Phone: 662-627-3372
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
