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ADT Customer Service and Support

Your ADT phone numbers all in one place

What Is the Customer Service Number for ADT?

Connect to the customer care you need by calling the ADT customer service number at 1-800-521-1734. ADT customer service representatives are standing by to offer high-quality support for your ADT monitored home security system.

Support for New Customers: Help for Those First Steps

Not sure where to start? ADT customer service reps take the guesswork out of choosing a home security plan. And no matter which you choose, ADT stands by with six monitoring centers, industry-leading response times, and over 140 years of experience as a leading home security company. Join over 7 million happy customers and contact us today.

Support for Existing Customers: Service at Every Step

For ADT support once you’re up and running, talk to a human instead of consulting a manual. Whether you need help with information about false alarms, or ADT tech support, call the ADT service number below to reach expert customer service representatives.

What Are ADT’s Customer Service Hours?

Perfect for those midnight emergencies, ADT customer service hours never stop. Contact ADT 24/7 for continuous customer support any time you need it at 1-800-521-1734.

Find Offers from SafeStreets

Available ADT offers for new customers include many perks, including same- or next-day installation where available.

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