You are here: Home Licensing Exams Region 12 Houston Exam Registration Form Phone Phone Enter a contact number with your area code xxx-xxx-xxxx http://www.tceq.texas.gov/licensing/exams/Houston/Phone http://www.tceq.texas.gov/@@site-logo/tceqlogo-3colors.gif Phone Enter a contact number with your area code xxx-xxx-xxxx Phone Enter a contact number with your area code xxx-xxx-xxxx