contact@onlinedefensivedriving.com For Registration and Certificate Information Call 866-52-TEXAS For 24 Hour-A-Day Technical and Instructor Support Call 866-538-3224 Local Office Texas Headquarters 1008 East College Seguin, TX 78155 24 Hour Availability To Enroll Only: Toll Free: 1-877-9-SCHOOL (877-972-4665) Fax: 888-639-2812 TDD: 800-735-2929 Customer and Technical Support: 800-667-1724