Where to send your Optimum (Altice) cancellation letter
Read the addresses on this page next to the full guide to cancelling Optimum (Altice).
The addresses we hold
One place for Optimum (Altice)'s mailing addresses: the New York delivery point for a cancellation letter first, then the rest of what the database holds, with envelope wording that matches.
Where the letter goesMailing address
Optimum (Altice)1111 Stewart AvenueNew York, NY 11714Optimum (Altice) takes its post at this New York address (ZIP 11714).
How to address the envelope
Copy the address exactly
The front of the envelope carries 1111 Stewart Avenue, New York, NY 11714 and nothing else in the address block. Check the 11714 digit by digit before it goes in the post.
Add the return address
Top-left, your own name and address. A return address is what the post office needs to send the letter back if Optimum (Altice) has moved.
Send it certified
At the counter, certified mail costs a fee on top of the postage and comes with a mailing receipt and a delivery record. The tracking number on the green label is what you follow.
Keep what the post office gives you
Your copy of the letter, the mailing receipt and the tracking record belong together in one file, especially with the notice rule: Cancel up to the last day of the billing period before the period you want to end.
The letter, written out
What the letter to Optimum (Altice) says: one clear cancellation request, no reasons given, the account number, the phone number or service address being cancelled and the name on the account quoted, and a request for written confirmation.
[Your name] [Your street address] [City, State ZIP] [Your email address]
[Date]
Optimum (Altice) 1111 Stewart Avenue New York, NY 11714
To whom it may concern,
I am cancelling my account with Optimum (Altice), 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.
I am giving notice under my agreement: Cancel up to the last day of the billing period before the period you want to end.
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 Optimum (Altice) 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.