Skip to content

Where to send your Sickkids cancellation letter

Read the addresses on this page next to the full guide to cancelling Sickkids.

The addresses we hold

If you are writing to Sickkids, this is the page with the address on it: Toronto, M5G 1X8, plus what to write on the envelope and how to prove it arrived.

Where the letter goesMailing address

SickkidsUniversity Avenue 555M5G 1X8 TorontoCanada

The Canada address on file for Sickkids. Postal code M5G 1X8.

How to address the envelope

  1. Write the address as printed

    Write out University Avenue 555, M5G 1X8 Toronto, Canada as shown above, including the M5G 1X8 postal code, exactly as printed.

  2. Put your own address on it

    Print your return address in the top-left corner. Without it, an undeliverable letter is simply lost instead of returned to you.

  3. 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.

  4. Keep the proof together

    Your copy of the letter, the mailing receipt and the tracking record belong together in one file.

The letter to send

What the letter to Sickkids says: one clear cancellation request, no reasons given, your donor or supporter number, the name on the donation and the amount and date of the latest payment quoted, and a request for written confirmation.

Sample cancellation letter

[Your name] [Your street address] [City, State ZIP] [Your email address]

[Date]

Sickkids University Avenue 555 M5G 1X8 Toronto Canada

To whom it may concern,

I am cancelling my account with Sickkids, 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]

Let Postbye cancel Sickkids 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.

Cancel Sickkids