Boone County Office 1023 E Highway 22 Centralia, MO 65240 Phone : (573) 682-1078 Business Category Government Offices-County Legislative Bodies Boone--administrative Offices, Commission, Centralia Office 1023 E Highway 22 Centralia, MO 65240 Phone : (573) 682-1078 Business Category Government Offices-County Government Offices & Public Schools