For expert sales, installation and service assistance, please contact your local ADT Security Services office.

ADT Product Help Desk
1-800-390-6236 ADT’s Product Support Group for technical questions regarding product & installation. It also includes a Sales Support prompt (6) for sales and application assistance.

1-800-ADT-ASAP (238-2727)
Customer number for alarm events and history, changes to your call list, blling and service related questions.

National Account Monitoring Center - Tier Two Support
1-800-428-7124 Option 2
ADT end-customer support - Request tier two support