Dental Principal Dental High PlanPrincipal Dental Low Plan Plan Highlights – Outside of California (Volvo Cars Tucson & Reno HD Locations Only) Plan Highlights – California (All Other Locations) Mobile App Plan Highlights – Outside of California (Volvo Cars Tucson & Reno HD Locations Only) Plan Highlights – California (All Other Locations) Mobile App Providers Home | Provider Directory Group NumberMember Services Principal Dental1145555(800) 247-4695