Allstate - Dennis P. Parks 13890 Braddock Rd, Suite 110 Centreville, VA 20121 Phone : (703) 830-3600 Allstate - Dennis P. Parks Business Category Allstate Insurance 13890 Braddock Rd Centreville, VA 20121 Phone : (703) 830-3600 Allstate Insurance Business Category Insurance Insurance Agents Brokers & Service Services           Business/Professional Svcs.