Cancel your NIO Fibra subscription by mail
Cancelling NIO Fibra 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 NIO Fibra is in Rio de Janeiro, Brazil.
Let Postbye cancel NIO Fibra 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.
Money-back guarantee within 10 business days.
Postbye is not affiliated with NIO Fibra.
- 4.8 from 2,931 reviews
- 3 NIO Fibra cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel NIO Fibra by mail
Note your account details
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 NIO Fibra has on file.
Write the cancellation request
The request is prepared in Brazilian Portuguese (template pt-br), under the subject line “Assunto: Solicitação de cancelamento – [your name]”: end the subscription, stop all further charges and confirm in writing to you.
Send it by certified mail
Post it by certified mail to NIO Fibra in Rio de Janeiro, Brazil, using the exact address below, and note the tracking number.
Keep proof the letter arrived
Once the letter is delivered, the date on the receipt is the date NIO Fibra 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 NIO Fibra cancellation letter goes
The mailing address we hold for NIO Fibra is Rua do Lavradio 71, 20230070 Rio de Janeiro, Brazil.
Rio de Janeiro is the delivery town, Brazil; the postal code to quote is 20230070.
Your name, address and email appear in a short block labelled Titular da conta, Endereço de cobrança cadastrado and E-mail cadastrado, under the greeting “A quem possa interessar,”.
Prefer to write it yourself? Use our letter template
Every address we hold for NIO Fibra, with the envelope wording
Before you cancel NIO Fibra, check these
- If you are moving to another provider, keep the line active until the new service works, then cancel.
- 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.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel NIO Fibra 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.
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 mailed letter is slower than a phone call but it is the version that proves what you asked for and when.
NIO Fibra cancellation at a glance
- How NIO Fibra accepts cancellations
- By mailed letter
- Mailing address on file
- NIO Fibra Rua do Lavradio 71 20230070 Rio de Janeiro Brazil
- Country
- Brazil
- Letter language
- Brazilian Portuguese (template pt-br)
- Category (from the company name)
- Phone & internet
- Added to the database
- July 29, 2026
- Data last checked
