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Cancel your Red By Sfr subscription by mail

Red By Sfr takes cancellation requests by mailed letter, so a dated certified-mail letter is the record that counts. Our database has Red By Sfr's mailing address in Lyon, France.

Let Postbye cancel Red By Sfr 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 Red By Sfr.

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  • Delivery proof sent to you
  • We confirm your cancellation

How to cancel Red By Sfr by mail

  1. Collect the details you need

    Before writing, collect the account number, the phone number or service address being cancelled and the name on the account. Red By Sfr can only act on a request it can match to an account.

  2. Put the request in writing

    Because Red By Sfr is dealt with in French, the letter is written in French (template fr). Subject: “Objet : Demande d'annulation – [your name]”. It requests an end to the subscription and to every further charge, plus written confirmation.

  3. Mail the letter with a receipt

    Take the letter to the post office and ask for certified delivery to 69947 Lyon. Keep the tracking number it gives you.

  4. Save the tracking record

    Once the letter is delivered, the date on the receipt is the date Red By Sfr 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 Red By Sfr cancellation letter goes

Red By SfrTSA 1010169947 LyonFrance

Red By Sfr can be reached by post at TSA 10101, 69947 Lyon, France.

“TSA 10101” 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.

The letter is addressed “À qui de droit,” and its details block uses the labels Titulaire du compte, Adresse de facturation enregistrée and E-mail enregistré.

Prefer to write it yourself? Use our letter template

Every address we hold for Red By Sfr, with the envelope wording

Before you cancel Red By Sfr, check these

  • Name the exact line or service address. Accounts with several lines can leave one of them running.
  • Ask for a final bill in writing and return any rented equipment by tracked mail.
  • Check for an early-termination fee or a remaining equipment balance before the cancellation date.

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

Let Postbye cancel Red By Sfr 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 Red By Sfr

Cancelling a phone or internet plan

Phone and internet providers tie cancellation to contracts, equipment balances and notice periods, so the request should name the exact line or service and ask for a final bill in writing.

A letter is the formal route: it states the request in writing, carries a date and, sent by certified mail, comes with proof of delivery.

Red By Sfr cancellation at a glance

How Red By Sfr accepts cancellations
By mailed letter
Mailing address on file
Red By Sfr TSA 10101 69947 Lyon France
Country
France
Letter language
French (template fr)
Category (from the company name)
Phone & internet
Added to the database
June 4, 2026
Data last checked

Red By Sfr cancellation questions

Where do I send my Red By Sfr cancellation letter?

Address the letter to Red By Sfr, TSA 10101, 69947 Lyon, France.

What should I check before I cancel Red By Sfr?

For a phone or internet plan: if you are moving to another provider, keep the line active until the new service works, then cancel.

Which language is my Red By Sfr letter written in?

French. Red By Sfr'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 Red By Sfr?

Have the account number, the phone number or service address being cancelled and the name on the account to hand. The details in the letter need to match what Red By Sfr has on file.

Will Red By Sfr confirm my cancellation?

The letter asks Red By Sfr 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 Red By Sfr received the request. If a charge posts after that date, quote the receipt with your copy of the letter.