State Police 14420 Independent Hill Dr Manassas, VA 20112 Phone : (703) 791-3101 Business Category State Police Police--virginia State Police, Independent Hill Manassas, VA 20112 Phone : (703) 791-3101 Business Category Police Departments Government Offices & Public Schools Virginia Commonwealth Of 14420 Dumfries Rd Manassas, VA 20112 Phone : (703) 791-3101 Business Category Police Departments Police--virginia State Police Manassas, VA 20112 Phone : (703) 791-3101 Business Category Police Departments Government Offices & Public Schools Virginia Commonwealth Of--state Police, Seventh Division Headquarters, Independent Hill Manassas, VA 20112 Phone : (703) 791-3101 Business Category Government Offices-State Police Departments Government Offices State & Local Government Offices & Public Schools