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Where to send your Asstel cancellation letter

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

The addresses we hold

Every address our database holds for Asstel, with the Köln one a cancellation letter goes to first and the envelope wording that matches it.

Where the letter goesMailing address

AsstelBerlin-Kölnische Allee 2-450969 KölnGermany

The Germany address on file for Asstel. Postal code 50969.

How to address the envelope

  1. Write the address as printed

    Write out Berlin-Kölnische Allee 2-4, 50969 Köln, Germany as shown above, including the 50969 postal code, exactly as printed.

  2. Add your return address

    Your name and postal address go top-left on the front (or the back flap). If the letter cannot be delivered it comes back to you, which is itself evidence of the attempt.

  3. Send it certified

    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 the records

    Keep your copy of the letter, the receipt and the delivery record in one place. The delivery date is the one to quote if the account is billed again.

The cancellation letter

What the letter to Asstel says: one clear cancellation request, no reasons given, the name and email on the account and, if you have one, an account or customer number quoted, and a request for written confirmation.

Sample cancellation letter

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

[Date]

Asstel Berlin-Kölnische Allee 2-4 50969 Köln Germany

To whom it may concern,

I am cancelling my account with Asstel, 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 Asstel 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 Asstel