Customer Support
Whether you want to book an install appointment, need to change your appointment time, or have questions on your new ADT-monitored security system, we’re here to help. Go ahead and call us at (720) 465-2917. Our business hours are Mon-Thu, 9:00 AM - 7:00 PM and Sat-Sun 9:00 AM - 5:00 PM.
In addition, you can check out our security FAQs to find answers to common questions.