Cancel your Ontopup subscription by mail
Cancelling Ontopup means putting it in writing; the company takes requests by mailed letter, and a tracked one leaves a clear record. The cancellation address on file for Ontopup is in Windsor, United Kingdom.
Let Postbye cancel Ontopup 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.
Money-back guarantee within 10 business days.
Postbye is not affiliated with Ontopup.
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- 3 Ontopup cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel Ontopup by mail
Collect the details you need
Ontopup will look your account up from what the letter says, so check the account number, the phone number or service address being cancelled and the name on the account first.
Write the cancellation request
State plainly that you want the Ontopup account cancelled, further charges stopped and a written confirmation sent to you. Postbye sets this out in a ready English template (“Subject: Cancellation Request – [your name]”).
Mail the letter with a receipt
Use certified mail for the SL4 1RY Windsor address in the next section, so the post office records the delivery. Write down the tracking number.
Keep proof the letter arrived
Delivery confirmation is your evidence that Ontopup was asked. Watch the next statement or two for any further Ontopup charge.
With Postbye, steps 2 to 4 take about two minutes of your time.
Where your Ontopup cancellation letter goes
Ontopup can be reached by post at 156 Arthur Road, SL4 1RY Windsor, United Kingdom.
Windsor is the delivery town, United Kingdom; the postal code to quote is SL4 1RY.
The letter is addressed “To Whom It May Concern,” and its details block uses the labels Account holder, Billing address on file and Email on file.
Prefer to write it yourself? Use our letter template
Every address we hold for Ontopup, with the envelope wording
Before you cancel Ontopup, check these
- Name the exact line or service address. Accounts with several lines can leave one of them running.
- Ask for a final bill in writing and return any rented equipment by tracked mail.
- Check for an early-termination fee or a remaining equipment balance before the cancellation date.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel Ontopup 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.
Cancelling a phone or internet plan
Phone and internet providers tie cancellation to contracts, equipment balances and notice periods, so the request should name the exact line or service and ask for a final bill in writing.
A letter is the formal route: it states the request in writing, carries a date and, sent by certified mail, comes with proof of delivery.
Ontopup cancellation at a glance
- How Ontopup accepts cancellations
- By mailed letter
- Mailing address on file
- Ontopup 156 Arthur Road SL4 1RY Windsor United Kingdom
- Country
- United Kingdom
- Letter language
- English (template en-generic)
- Category (from the company name)
- Phone & internet
- Added to the database
- May 7, 2026
- Data last checked
