Call Support

Whether you’re trying to set up an install appointment, are trying to change your appointment time, or have questions on your newly-installed ADT-monitored security system, we’re ready to help. Simply call us at (972) 357-1049. Our business hours are Mon-Thu, 9:00 AM - 7:00 PM and Saturday & Sunday 9:00 AM - 5:00 PM.

In addition, you can browse through our security FAQs to get answers to our most asked questions.