No, Google Voice does not work in Japan. Google Voice is not available in Japan. The Ministry of Internal Affairs and Communications (MIC) regulates Japanese telecommunications under strict licensing, and Google has not applied for the required Type I or Type II carrier designations. TwinPhone is available in Japan and 145+ other countries — right from your browser, in 2026.
As of 2026, Google Voice is still only available in the United States. Users in Japan cannot sign up for or use Google Voice to make or receive calls. Google Voice is not available in Japan. The Ministry of Internal Affairs and Communications (MIC) regulates Japanese telecommunications under strict licensing, and Google has not applied for the required Type I or Type II carrier designations.
Last verified: May 2026
Landline
$0.10/min
Mobile
$0.14/min
Call Japanese landlines from $0.10/min and mobiles from $0.14/min
Ideal for US military personnel and their families stationed in Japan
Maintain a US number for American services while living in Japan
Reliable VoIP quality on Japan's excellent broadband infrastructure
Open www.twin-phone.com in your browser — Chrome, Edge, Safari, or Firefox
Create a free account and add credit (starting from $5)
Dial +81 followed by the local number — or call any country worldwide
Enjoy HD voice powered by WebRTC, with TLS + SRTP transport encryption
Common questions about using Google Voice or alternatives in Japan.
No, Google Voice is exclusively a US service and is not available in Japan. Japanese residents cannot sign up, and US Google Voice users cannot reliably use the service from Japan.
TwinPhone is popular among Americans in Japan, especially US military families stationed at bases like Yokosuka and Okinawa. It provides a US number that works over Japanese WiFi or mobile data, with calls to Japanese landlines at $0.10/min.
TwinPhone charges $0.10/min for Japanese landlines and $0.14/min for mobile phones. While Japan has higher international calling rates than many countries, TwinPhone's no-subscription model means you only pay when you call.
Yes. TwinPhone provides a real US phone number you can use from Japan. This is valuable for maintaining US bank accounts, receiving verification codes from American services, and staying reachable by US contacts.
Japan's interconnection rates are higher than many other countries due to the structure of NTT's domestic network and regulatory factors. TwinPhone's rates of $0.10-$0.14/min reflect these underlying costs while remaining competitive with other international calling services.
No app download. No Google Voice needed. Just open your browser and dial. From $0.10/min.
Free to sign up — no card, no subscription14-day money-back guarantee
