What is the phone number for adt customer service? Contact customer service Call ADT now at 877-907-6760 ADT is the nation’s leading monitored home security provider. Between 9 nationwide monitoring centers, more than 140 years of experience and satisfied customers across the United States and Canada, it’s not hard to see why more than 6 million customers trust ADT monitoring.Where is adt security services located in florida? Adt Security Services, Inc Corporate Office & Headquarters 1 Town Center Rd. Boca Raton FL 33486 Adt Security Services, Inc corporate phone number: (561) 988-3600 Average Rating and Total ReviewsHow do i get the right information about adt home security? To help us get you the right information, tell us which version of the app you’re using. Please select Introduction to ADT Home Security User Guides Video Tutorials Installation of my system Contract Information Service & Maintenance Remote Support Accounts & Billing General Enquiry Upgrades & add-ons Second Homes Moving House Leaving ADT?