List of ADT Stores in Kingsport, TN Outlet Note Regular Brands ADT Tennessee Kingsport Rating 4.9 based on 81 votes Official Website http://www.adt.com/ Products Alarm Monitoring Services NameAddressPhone Name/Address/Phone ADT outlet - Kingsport (888) 238-5358 ADT outlet - Kingsport 2716 E Stone Dr (423) 254-5486 ADT outlet - Kingsport (877) 415-0563 ADT outlet - Kingsport (866) 268-5198 People Also Viewed