Roanoke County Air Quality Roanoke, VA 24019 Phone : (540) 561-7005 Business Category Government Offices-County Legislative Bodies Roanoke City Of--question, Air Quality Index Roanoke, VA 24001 Phone : (540) 561-7005 Business Category Government Offices & Public Schools Roanoke County Of--air Quality Index Roanoke, VA 24011 Phone : (540) 561-7005 Business Category Government Offices-County Government Offices & Public Schools