ADT is here to help. Our customer service online chat is available 24/7 and with a live agent from 7AM to midnight ET. Search our ADT Support Center for help articles any time.

Whether you need help troubleshooting your security system, updating your account, or managing your billing, ADT’s customer support team is ready to assist you every step of the way. Already …

Nov 24, 2025 · Contact ADT Security Services directly at +1 (800) 884-4226 or [email protected]. Get customer support, file a complaint, and resolve your issue fast.

Sep 7, 2022 · ADT-monitored systems help give customers greater peace of mind with more ways to receive alerts, reduce false alarms and help detect potential incidents inside and around the …

Register at MyADT to pay your bill, print certificate for insurance discount, manage alarm contacts, manage recurring payments, and view your alarm activity.

Feb 17, 2017 · Frequently asked questions about ADT How do I contact ADT? What is (800) 521-1734? That number is the ADT customer service line. You can use it to ask about your …

If you'd like to speak with us sooner, call us anytime at (855) 497-8573. Have a question? You can visit our Support Center 24/7. Log into your My ADT account to pay a bill, manage …

Learn how to contact ADT customer service, find answers to frequently asked questions, and get support for your home security system.

To contact ADT customer support by phone, dial 800-716-3640 and ask the agent to provide you with the information you need or a solution to your problem. While calling is the fastest to get …

ADT offers a variety of security solutions tailored to your specific needs, including smart home automation, 24/7 monitoring, video surveillance, and burglar alarms.