Montgomery County Of--sheriff, Dispatch-communications Christiansburg, VA 24068 Phone : (540) 382-2951 Business Category Government Offices-County Government Offices & Public Schools Montgomery County Of Contd--sheriff Christiansburg, VA 24068 Phone : (540) 382-2951 Business Category Government Offices-County Government Offices & Public Schools Riner Town Of--sheriff Montgomery County Christiansburg, VA 24068 Phone : (540) 382-2951 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Montgomery County Of--public Service Authority, Emergency Service Christiansburg, VA 24068 Phone : (540) 382-2951 Business Category Government Offices-County Government Offices & Public Schools Montgomery County Of--water Service, Emergency Service Christiansburg, VA 24068 Phone : (540) 382-2951 Business Category Government Offices-County Government Offices & Public Schools