Where to send your Sector Alarm cancellation letter
Read the addresses on this page next to the full guide to cancelling Sector Alarm.
The addresses we hold
Everything we hold on where Sector Alarm takes its post: the 91300 Massy delivery point for a cancellation letter, any second address, and how to send it so the delivery is on record.
Where the letter goesMailing address
Sector AlarmRue du Chemin des femmes 2-12E91300 MassyFranceThe France address on file for Sector Alarm. Postal code 91300.
Second address on file
Sector AlarmFabriksgatan 1412 50 GöteborgSwedenThe database lists this as a second address for Sector Alarm. Use the primary address above unless your agreement names this one.
How to address the envelope
Write the address as printed
The envelope reads Rue du Chemin des femmes 2-12, E, 91300 Massy, France. Match the spacing and the box or street line exactly as printed.
Put your own address on it
Top-left, your own name and address. A return address is what the post office needs to send the letter back if Sector Alarm has moved.
Buy the certified service
Certified, not courier: buy it at the counter, keep the postmarked slip, and the letter to Massy is traceable from the article number until it is signed for.
Keep the proof together
Hold on to the letter copy, the receipt and the tracking page.
The cancellation letter
Copy the letter below onto one page, fill in the account or subscription number, the email the plan was bought with and the address or devices it covers, and it is ready for the envelope. Our template builds the same letter on screen.
[Your name] [Your street address] [City, State ZIP] [Your email address]
[Date]
Sector Alarm Rue du Chemin des femmes 2-12 E 91300 Massy France
To whom it may concern,
I am cancelling my account with Sector Alarm, account or member number [number], with effect from [date or "immediately"]. Please end every add-on and linked plan on this account at the same time.
Please stop all future charges to my payment method, remove my stored payment details, and send written confirmation of the cancellation and its effective date to [your email address].
Sincerely, [Signature] [Your printed name]
Keep reading
The full guide to cancelling this company, our letter template and the postal guides.
Let Postbye cancel Sector Alarm for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.