If you need to talk to a live person in ADT customer service you need to dial 1-800-521-1729 phone number. To get connected to a live customer service you should listen and reply yes or no to all the automatic prompts and at the end, you will be connected to a live agent. ADT Residential Security specialists are available 24/7.

ADT Customer Service Options

ADT Phone Customer Service

• To contact ADT Residential Security support you need to dial 1-800-521-1734. For sales you need to dial 1-800-521-1729.
• To contact ADT Business support you need to dial 1-800-515-2216. For sales you need to dial 1-800-509-0956.
• To contact ADT Health & Senior Safety support you need to dial 1-800-658-7134. For sales you need to dial 1-800-658-70954.

ADT Security Social Networks Support

• You can contact live customer service representative using ADT Facebook page
• You can also contact live customer service representatives using ADT Twitter

ADT E-mail Support

You can send email with your question to the ADT on the following web page https://www.adt.com/contact-adt