Your second number
with the Onoff app!
Reinvent your communication.
Download the app and get a second number instantly!
Join the revolution !
Thanks to its revolutionary patented technology, it allows you to own several mobile numbers in your smartphone. No need to have another SIM card or another device.
The Features
Want to get a second number instantly? Send or receive SMS, or even have a direct access to a voicemail, and all of this from an app? Then, it’s On! Onoff is made for you.
Enjoy the best of the best!
The Premium offer allows you to have a better call quality, to launch or receive calls from your desktop computer, to plan when you would like to be reached or to have several devices ring at the same time!
Get a second number with just an app!
Use your SIM Card your for personal number. Use the app for your second number.
Choose the best
number plan for you đź‘‹
1 French Mobile Number
National calls (1000 minutes)
National SMS/MMS (1000 SMS/MMS)
International calls with credits
Visual voicemail
On/Off mode (Do not disturb)
Mobile app (iOS & Android)
Forward calls
Hide caller ID
Need phone numbers for a professional usage?
Onoff Telecom est un opĂ©rateur de tĂ©lĂ©communications reconnu par l’ARCEP
26 Boulevard de Bonne Nouvelle
75010 Paris, France
Viru Väljak 2, Tallinn
10111 Estonia
©2022 Onoff Telecom