Help Center
One question per page, answered in the first two sentences. Every price and limit here comes from the same code that bills you.
SMS and verification codes
What a number receives, WhatsApp, Telegram, codes that don't arrive, temporary numbers.
Phone numbers
US numbers for non-residents, a second number, countries, renewal, caller ID.
Calls and rates
Browser calls, calling the US from abroad, calls you receive, calling cards.
- How much does it cost to call another country with TwinPhone?
- Do I pay to receive calls on my TwinPhone number?
- Can I call a phone from my browser for free?
- How do I receive calls abroad without roaming charges?
- How do I call the US from abroad?
- Calling card or calling app: which should I use for international calls?
- Does the person I call need the TwinPhone app or internet?
Getting started and devices
What TwinPhone is, Chrome without an extension, no SIM, Wi-Fi Calling, apps.
- What is TwinPhone and what is it used for?
- Do I need a SIM card or a phone number to use TwinPhone?
- Can I call a phone from my computer without installing an app?
- How do I call a phone from Chrome without an extension?
- Does TwinPhone work on iPhone, Android and Linux?
- Why doesn't my microphone work in the browser?
- Is TwinPhone the same as Wi-Fi Calling?
Availability, Skype and Google Voice
Where TwinPhone works, outside the US, after Skype.
Billing and refunds
Top-ups, pay-as-you-go, getting money back.
Still stuck?
Write to support@twin-phone.com from the email on your account. We reply to every message.
Contact support