List of ADT Stores in Effingham, IL Outlet Note Regular Brands ADT Illinois Effingham Rating 4.9 based on 81 votes Official Website http://www.adt.com/ Products Alarm Monitoring Services NameAddressPhone Name/Address/Phone ADT outlet - Effingham (888) 238-2727 ADT outlet - Effingham (217) 615-4052 People Also Viewed