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ADT Customer Service and Support

  • Tech support for products & systems
  • Help with account issues
  • 24/7 business hours

Call 1-833-369-0763

Need answers fast?

Check our FAQ

What Is the Customer Service Number for ADT?

Existing Customers Only

Business hours: 24/7

Reach technical support at the ADT service number below. To troubleshoot on your own first, view our FAQ or check the ADT help site.

Get Help at 1-800-521-1734

New Customers Only

Business hours: 7am–10pm CT

Ready to order? Authorized ADT representatives can help you design an optimal home security plan based on your specific safety concerns.

Order Now at 1-833-369-0763

ADT Frequently Asked Questions

My power went out. What do I do?

You shouldn’t have to do much. Your backup battery will kick in automatically to keep your system running without interruptions, and it may beep at intervals to alert you the power source has changed. Clear the alert by entering your passcode.

When the power comes back on, your backup battery will recharge automatically. Call 1-800-521-1734 if you have any concerns about your backup battery.

I’m moving. Can I take my security system with me?

Yes, and you may even qualify for mover discounts! Please call 1-800-521-1734 for help transferring your service and equipment to a new address.

Where can I find my online account?

You can find your online account at MyADT.com. Log in to change payment details, schedule service appointments, and view details about your home security package.

If you are locked out of your online account or need help setting one up, call 1-800-521-1734

Can ADT get me a discount on my homeowners insurance?

Usually. If your insurance company offers lower rates for monitored home security, you’ll need to submit your Alarm Monitoring Certificate to get the discount. You’ll find the certificate in the Documents section of MyADT.com.

What Are ADT’s Customer Service Hours?

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

Still Not Seeing Your Answer?

ADT customer service representatives can get you pointed in the right direction.

Call 1-833-369-0763

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New Customer Offers from SafeStreets

Catch us after hours? Put that phone call on your to-do list, then preview ADT offers for new customers while you wait. Perks include same- or next-day installation where available.

See Available Deals