ADT Product Help Desk
1-877-390-6236 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.

Expert Product Support to ADT end users:
1-800-238-2727