Customer FAQs Discover answers to the most frequently asked questions from ADT customers with the click of a button. 1. How do I change the people on my call list? To make changes to your call list, log into MyADT.com, select the My Account tab located on the overview page, and then click on the My Contacts link from the left hand menu. Do not forget to inform new contacts on your call list what to do in case they receive a call from ADT. All contacts should have access to your premises, a valid personal identification code, and a current United States phone number. When traveling away from your home or office, use our Travel Reminders to remember to update your emergency contact list.