ADT Home Security Alarm Systems

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1-866-683-8251

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Contacting Total Alarm Systems

To Inquire About New ADT Monitored Home Alarm Systems

Learn more about how ADT can help protect your home, family and valuables Contact a security advisor at 1-866-683-8251 to order your ADT Monitored Home Alarm System today.

Sales Center Hours:
English Speaking Agents:
Mon-Fri 7am-1am EST, Sat 9am - 12am EST & Sun 10am - 10pm EST.

Spanish Speaking Agents:
Mon-Fri 12pm-9pm EST

Current ADT Customers

For assistance with an existing ADT monitored home alarm system contact, ADT at 1-866-746-7238.

Customer Relations

If you have a question about your installation appointment and you would like to speak to a Customer Relations Associate, please call 1-866-683-8251.

Customer Relations Hours:
Monday-Friday: 8:00am - 9:00pm EST
Saturday: 10:00am - 6:00pm EST