ADT customer service contact options
ADT's contact page lists billing, device troubleshooting and service transfer options for existing customers. Choose the existing-customer route when the question concerns an installed system. Identify whether the request concerns a device, installation, monitoring plan or subscription. The hardware and the account service may need different troubleshooting details.
| Contact option | Where to go | When to use it |
|---|---|---|
| Phone | 1-855-756-3163 | ADT contact-page support line. |
| Official online help | ADT support | Finding the current contact route for billing and related requests. |
How to call ADT customer service
ADT customer service can be reached using the listed number, 1-855-756-3163. Check the department label before dialing: ADT contact-page support line. Explain whether you need device troubleshooting, account billing or a change to the service plan.
- Have the relevant details ready for your billing question.
- Call 1-855-756-3163 and choose the department matching your request.
- Explain the issue, when it occurred and the specific help you need. If a different department is required, ask for the correct contact route.
Check the linked contact page for current availability. Automated account tools and live representatives can have different hours; this guide does not promise a wait time or a particular outcome.
Contact ADT customer service online
Select the affected device or service on the support site. Describe what happens, when it started and the steps already tried so the support team can reproduce the problem.
- Open the official ADT support link and choose the topic that matches your request.
- Identify the account, product or reference associated with billing. Sign in only through the official service when required.
- Use the contact method offered for that topic and include a short description, relevant dates and any existing case number.
What to have ready
For ADT requests involving billing, alarm troubleshooting, moving service, prepare the information that helps identify the right account or transaction. Share private details only through the company’s appropriate support process.
- Account email or service address linked to the system.
- Device model and the exact error or behavior you are seeing.
- App version and the time the issue began, if an app or connection is involved.
Keep the support reference and the agreed troubleshooting or account steps. If a replacement or service visit is discussed, ask how it will be confirmed.
Frequently asked questions
How do I contact ADT customer service?
The listed number is 1-855-756-3163. Its scope is: ADT contact-page support line. The linked official source publishes the number.
Which ADT support route should I choose?
ADT's contact page lists billing, device troubleshooting and service transfer options for existing customers. Choose the existing-customer route when the question concerns an installed system.
What should I prepare before contacting ADT?
Identify the request first: billing, alarm troubleshooting, moving service. Account email or service address linked to the system. Keep the support reference and the agreed troubleshooting or account steps. If a replacement or service visit is discussed, ask how it will be confirmed.
Sources & last checked
We checked the sources below on October 8, 2026. Phone numbers and support routes are attributed to the official references below. Support availability, routing, and menu labels can change.
- ADT: official support reference Official source — ADT's contact page lists billing, device troubleshooting and service transfer options for existing customers. Choose the existing-customer route when the question concerns an installed system.
This is an independent guide. ADT provides the support service; Customer Service Phone Numbers and ROI Hacks do not manage your account or handle support requests.
More company contact guides
Utilities & homeAmbit Energy
Contact options for electricity bills, account payments, service questions.
Utilities & homeDuke Energy
Contact options for electricity bills, service changes, outages.