Post Offices in & near Saint Clair, Michigan. Operating hours, locations, phone/fax number, services information.
Post Office in Saint Clair, Michigan on Trumbull St. Operating hours, phone number, services information, and other locations.
Address: 202 Trumbull St, Saint Clair, MI 48079
Phone: 810-329-4555
Fax: 810-329-1050
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
