Gravois Mills--special Road District 8 Gravois Mills, MO 65037 Phone : (573) 372-2215 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Gravois Special Road District 27876 Highway 5 Gravois Mills, MO 65037 Phone : (573) 372-2215 Business Category Government Offices-City Village & Twp Legislative Bodies