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Cancel your Klesia Mutuelle subscription by mail

Cancelling Klesia Mutuelle 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 Klesia Mutuelle is in Vélizy-Villacoublay, France.

Let Postbye cancel Klesia Mutuelle 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.

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Postbye is not affiliated with Klesia Mutuelle.

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How to cancel Klesia Mutuelle by mail

  1. Collect the details you need

    Put the name and email on the account and, if you have one, an account or customer number in front of you before you write: the request to Klesia Mutuelle is only as good as the details it quotes.

  2. Write the cancellation request

    Klesia Mutuelle is based in France, so the letter goes out in French, built from our French template. Subject line: “Objet : Demande d'annulation – [your name]”. It asks for the subscription to end, for further charges to stop and for written confirmation.

  3. Post it with proof of delivery

    Send the letter to the Vélizy-Villacoublay mailing address shown below by certified mail. Keep the tracking number safe.

  4. Keep proof the letter arrived

    Once the letter is delivered, the date on the receipt is the date Klesia Mutuelle was told. Compare it with your statements over the next billing cycle.

With Postbye, steps 2 to 4 take about two minutes of your time.

Where your Klesia Mutuelle cancellation letter goes

Klesia MutuelleTSA 6000278140 Vélizy-VillacoublayFrance

Klesia Mutuelle can be reached by post at TSA 60002, 78140 Vélizy-Villacoublay, France.

“TSA 60002” is a post-office box or mail-sorting line, so it takes post and not couriers: certified mail is the right way to reach it.

Your name, address and email appear in a short block labelled Titulaire du compte, Adresse de facturation enregistrée and E-mail enregistré, under the greeting “À qui de droit,”.

Prefer to write it yourself? Use our letter template

Every address we hold for Klesia Mutuelle, with the envelope wording

Before you cancel Klesia Mutuelle, check these

  • Use the same name and email as on the account. A mismatch can delay the request.
  • Check your next statement: no charge should appear after the cancellation date.
  • Look for annual or multi-month plans. A plan paid in advance usually runs to the end of the period you paid for.

Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.

Let Postbye cancel Klesia Mutuelle 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 Klesia Mutuelle

How cancelling by mail works

Most subscriptions keep billing until someone tells the company to stop, and a dated letter is proof that somebody did.

If a charge shows up after you cancelled, the letter and its receipt are what you put in front of the company or your bank.

Klesia Mutuelle cancellation at a glance

How Klesia Mutuelle accepts cancellations
By mailed letter
Mailing address on file
Klesia Mutuelle TSA 60002 78140 Vélizy-Villacoublay France
Country
France
Letter language
French (template fr)
Added to the database
June 4, 2026
Data last checked

Klesia Mutuelle cancellation questions

Where do I send my Klesia Mutuelle cancellation letter?

Address the letter to Klesia Mutuelle, TSA 60002, 78140 Vélizy-Villacoublay, France.

Which language is my Klesia Mutuelle letter written in?

French. Klesia Mutuelle's address is in France, so the letter is prepared from the French template under the subject line “Objet : Demande d'annulation – [your name]”.

What do I need to cancel Klesia Mutuelle?

Have the name and email on the account and, if you have one, an account or customer number to hand. The details in the letter need to match what Klesia Mutuelle has on file.

Will Klesia Mutuelle confirm my cancellation?

The letter asks Klesia Mutuelle to end the account, stop further charges and confirm in writing, but a reply is not guaranteed. What you can rely on is the delivery receipt: it shows the date Klesia Mutuelle received the request. If a charge posts after that date, quote the receipt with your copy of the letter.