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Where to send your Adesso cancellation letter

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

The addresses we hold

This page shows every mailing address we hold for Adesso, starting with the one a cancellation letter should go to in Dortmund, 44269, and how to address the envelope so it arrives without a query.

Where the letter goesMailing address

AdessoAdessoplatz 1Etage 144269 DortmundGermany

The Germany address on file for Adesso. Postal code 44269.

How to address the envelope

  1. Write the address as printed

    The envelope reads Adessoplatz 1, Etage 1, 44269 Dortmund, Germany. Match the spacing and the box or street line exactly as printed.

  2. Add your return address

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

  3. Buy the certified service

    Certified mail is bought at the post office: hand the letter to a postal employee, keep the postmarked receipt, and follow the article number until the delivery shows.

  4. Keep what the post office gives you

    Hold on to the letter copy, the receipt and the tracking page.

The letter to send

Copy the letter below onto one page, fill in the name and email on the account and, if you have one, an account or customer number, and it is ready for the envelope. Our template builds the same letter on screen.

Sample cancellation letter

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

[Date]

Adesso Adessoplatz 1 Etage 1 44269 Dortmund Germany

To whom it may concern,

I am cancelling my account with Adesso, 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 Adesso 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 Adesso