Where to send your Harmony Service Center cancellation letter
Read the addresses on this page next to the full guide to cancelling Harmony Service Center.
The addresses we hold
This page shows every mailing address we hold for Harmony Service Center, starting with the one a cancellation letter should go to in Rotterdam, 3013 AJ, and how to address the envelope so it arrives without a query.
Where the letter goesMailing address
Harmony Service CenterPostbus 21460Service Center3013 AJ RotterdamNetherlandsThe Netherlands address on file for Harmony Service Center. Postal code 3013 AJ.
How to address the envelope
Write the address as printed
The front of the envelope carries Postbus 21460, Service Center, 3013 AJ Rotterdam, Netherlands and nothing else in the address block. Check the 3013 AJ digit by digit before it goes in the post.
Put your own address on it
Top-left, your own name and address. A return address is what the post office needs to send the letter back if Harmony Service Center has moved.
Certified mail, not a courier
Certified, not courier: buy it at the counter, keep the postmarked slip, and the letter to Rotterdam is traceable from the article number until it is signed for.
Keep the records
Hold on to the letter copy, the receipt and the tracking page.
The letter, written out
A plain, dated letter to Harmony Service Center asking for the cancellation, the end of every charge and written confirmation. Have the name and email on the account and, if you have one, an account or customer number to hand; our letter template fills the same shape in on screen.
[Your name] [Your street address] [City, State ZIP] [Your email address]
[Date]
Harmony Service Center Postbus 21460 Service Center 3013 AJ Rotterdam Netherlands
To whom it may concern,
I am cancelling my account with Harmony Service Center, 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]
Keep reading
The full guide to cancelling this company, our letter template and the postal guides.
Let Postbye cancel Harmony Service Center 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.