Do I need to download an app to use Kinvo?

No. Kinvo works entirely in your browser using WebRTC technology. Just sign up, add credits, and start calling. It works on Chrome, Firefox, Safari, and Edge on any device with a microphone.

How does the Kinvo credit system work?

Buy credits in preset amounts ($5, $10, $20, $50, or $100) or a custom amount. Each call deducts credits based on the per-minute rate for that country plus a $0.05 connection fee (only charged when the call is answered). Credits never expire. Larger packs include bonus credits: $20 pack gets +$1, $50 gets +$5, $100 gets +$15.

What countries can I call with Kinvo?

Kinvo supports calls to over 150 countries including the US, UK, Canada, Australia, India, Germany, France, Japan, Brazil, Mexico, Philippines, and most of Europe, Asia, Africa, and South America. Both landline and mobile numbers are supported.

Is Kinvo call quality good?

Yes. Kinvo uses WebRTC with HD voice codecs for crystal clear audio. All calls are encrypted end-to-end. Call quality is typically better than traditional phone calls, with real-time quality indicators showing latency and packet loss.

Can I use my own phone number as caller ID on Kinvo?

Yes. You can verify your personal phone number through Kinvo's caller ID feature, and recipients will see your real number when you call. You can also purchase virtual phone numbers in the US, UK, Canada, and Australia.

Do Kinvo credits expire?

No. Your credits stay in your account indefinitely until you use them. There are no hidden fees, no monthly minimums, and no expiration dates.

Is Kinvo a good alternative to Skype for international calls?

Yes. Kinvo was built specifically to fill the gap left by Skype's shutdown in May 2025. Like Skype, Kinvo offers affordable international calls with a pay-as-you-go model. Unlike Skype, Kinvo requires no app download — calls are made directly from the browser. Kinvo supports 150+ countries with HD WebRTC voice quality, team accounts, and caller ID verification.

How much do international calls cost with Kinvo?

Rates vary by country. Calls to US and UK landlines start from $0.01/min. Mobile rates are typically higher. There is a $0.05 connection fee per call, charged only when the call is answered. You can check exact rates for any country before you dial. Every new account gets a free 1-minute test call.

What is the cheapest way to call internationally from a browser?

Kinvo is one of the most affordable browser-based international calling services. With rates starting from $0.01/min for popular destinations, no subscription fees, and credits that never expire, it is significantly cheaper than traditional phone plans or calling cards. The pay-as-you-go model means you only pay for the minutes you use.

Does Kinvo support team or business accounts?

Yes. Kinvo offers team accounts with shared credit wallets, member management, per-user spending limits, and admin dashboards with per-member call analytics. Teams are created with a $150 minimum credit purchase, with no seat limits.

All country codes

Asia

Japan Country Code: +81

The international calling code for Japan is +81. You need this code to dial any phone number in Japan from another country. This code is assigned by the International Telecommunication Union (ITU) under the E.164 standard. Below you will find everything you need to successfully place a call to Japan, including the correct number format, trunk prefix, and worked examples.

Country Code

+81

ISO Code

Trunk Prefix

Drop when dialing from abroad

Example Number

+81 90 1234 5678

How to Call Japan from Abroad

Follow these steps to dial a phone number in Japan from any other country. The process is the same whether you are calling a landline or a mobile number.

1
Dial the international access code or +
On a mobile phone, press and hold 0 to get the + symbol. From a landline, dial your country's exit code (00 from most of Europe, 011 from the US/Canada, 0011 from Australia). With Kinvo, simply type + in the dialer.
2
Dial Japan's country code: 81
After the + or exit code, enter 81. This routes your call to Japan's telephone network.
3
Drop the trunk prefix (0) from the local number
When a Japan number starts with 0 domestically, remove it when dialing internationally. The trunk prefix is only used for calls within Japan itself.
4
Dial the remaining local number
Enter the area code (if applicable) and the subscriber number. The complete international number should look like this: +81 90 1234 5678

Japan Phone Number Format

Landline Numbers

Landline numbers in Japan typically include an area code that identifies the city or region, followed by the subscriber number. Domestically, these numbers are prefixed with 0 for long-distance calls. When dialing from abroad, replace the 0 with +81.

Mobile Numbers

Mobile phone numbers in Japan typically begin with 9 (after the country code). When calling a Japan mobile from abroad, remember to drop the leading 0 before the mobile prefix.

International Format Example

+81 90 1234 5678

+81 = Country codeRemaining digits = Area code + subscriber number

Dialing Example: Calling Japan

Suppose you want to call a Japan number that is written domestically with the trunk prefix 0. Here is how to convert it to the international format:

Domestic format:09012345678

Remove prefix (0):9012345678

Add country code:+81 90 1234 5678

Japan Calling Rates on Kinvo

Kinvo offers affordable international calling rates to Japan. Calls are made directly from your browser with HD voice quality. No app download required.

View Japan calling rates

Call Japan from Your Browser

With Kinvo, you can call landlines and mobiles in Japan directly from Chrome, Firefox, Safari, or Edge. No app to install, no subscription. Just sign up, add pay-as-you-go credits (starting from $5), and dial +81 followed by the local number.

Every new account includes a free 1-minute test call. No credit card required.

Related Country Calling Codes

More Asia Country Codes

Most Searched Country Codes

United States+1 United Kingdom+44 India+91 Canada+1 Australia+61 Germany+49 France+33 China+86

View all country calling codes

Frequently Asked Questions: Japan Country Code

What is the country code for Japan?

The international dialing code for Japan is +81. This code must be dialed before the local phone number when calling Japan from any other country. The ISO 3166-1 alpha-2 code for Japan is JP.

How do I call Japan from the United States?

From the US, dial 011 (the US exit code) followed by 81 (the Japan country code) and then the local number without the leading 0. Alternatively, dial +81 from a mobile phone. For example: +81 90 1234 5678.

Do I need to drop the 0 when calling Japan internationally?

Yes. When calling Japan from abroad, you must remove the leading 0 (trunk prefix) from the beginning of the number and replace it with the country code +81. This trunk prefix is only used for domestic long-distance calls within Japan.

What do Japan mobile numbers start with?

Mobile phone numbers in Japan typically start with 9 after the country code +81. When dialing from abroad, the full mobile number would begin with +81 9...

Can I call Japan from my browser?

Yes. Kinvo allows you to call any phone number in Japan directly from your web browser using WebRTC technology. No app download or installation is required. Simply create a free account, add credits (from $5), and dial +81 followed by the local number. Calls include HD voice quality and end-to-end encryption.