Contact Us DefensiveDriving.com Toll-Free Phone Number You can reach us toll-free 24 hours, at (713) 488-4000 DefensiveDriving.com E-mail Addresses For Customer Service & General Information: [email protected] DefensiveDriving.com Mailing Address You can mail us directly at: DefensiveDriving.com 11 Greenway Plaza, Suite 3150 Houston, Texas 77046 Texas Department of Licensing and Regulation You can reach the Texas Department of Licensing and Regulation at (800) 803-9202 Texas Department of Licensing and Regulation Mailing Address You can mail the Texas Department of Licensing and Regulation directly at: Driver Education and Safety Division Texas Department of Licensing and Regulation 920 Colorado Austin, Texas 78701