ADT Customer Support

Upgrade Your Current Home Security Service! Call 1-877-712-7549

You can improve your ADT security service at any time with optional features and package upgrades.
  • Want to add fire detection or carbon monoxide sensors?
  • Looking for wireless monitoring to replace your old landline connection?
  • Interested in remote web access and home automation?
Make all these improvements, and much more, by talking to one of our agents today.

Better home security is just a phone call away.


Are You An Existing ADT Customer? Call 1-877-712-7549 and press 2

If you currently have ADT installed in your home and need customer support, please contact the ADT Customer Account team at 1-877-712-7549, or visit your ADT Customer Service page.

Are You Looking For New ADT Offers? Call 1-877-712-7549 and press 1

To take advantage of ADT’s new customer specials, call now at 1-877-712-7549. If you’ve previously ordered ADT through this website, you can also receive help with pre-installation questions by calling the number above.