Steps
- 1
Phone only
- 2
Inside a 36-month contract? Early termination = 75% of remaining balance
- 3
Ask for the 'cancellation department' directly
If ADT charges you again after you've cancelled, dispute it with your card issuer — you now have this guide as your proof of the cancellation steps. Skycopia's Protection feature also watches every cancelled subscription and flags a zombie rebill automatically.
Set up Protection free→FAQ
How do I cancel ADT?
Cancel ADT by phone at 1-800-238-2727.
How hard is it to cancel ADT?
Skycopia rates cancelling ADT as hard — it takes 3 steps.
Skip the manual work next time.
Skycopia finds every recurring charge in your bank history — including the ones you forgot about — and hands you a playbook like this one for each. Free audit, no credit card.
The founder's own audit flagged $19,207/yr — real numbers, July 2026. Yours will vary; that's the point.
Run your free audit→