Ringflow
Live carrier coverage · Japan

Japan (+81) access code guide.

The +81 prefix connects one of the world's most advanced economies — from Tokyo's corporate towers to Osaka's trading houses. Here's the verified Japan country code, ISO references, live local time, and Ringflow's direct Japanese routes.

MIC-aligned routes03 to 06 coverageSub-second call setup
Calling
LIVE
Japan
JP · JPN · Zone 8
+81
Live route
Tokyo
Time
--:--
Alpha-2
JP
Alpha-3
JPN
HD voice signal98%
Ringflow direct routeVerified
Japan snapshot

Japan at a glance.

The geography, area codes and single JST time zone you need before placing your first call into Japan.

Japan country information

Japan
Asia
+81
Capital
Tokyo
Region
Asia
Time zone
Asia/Tokyo
Numbering zone
Zone 8
Code length
2 digits
ISO 3166 codes
JP · JPN
Ways to reach Japan

Every route into Japanese lines.

Landline, calling card or business VoIP — the +81 prefix reaches all 47 prefectures. Pick the channel that matches your traffic.

01Classic

Direct calls using landlines & mobile phones

Dial Japan directly from any landline or mobile by entering your international exit code, then the country code +81, and finally the local number.

02Pre-paid

International calling cards for Japan

Pre-paid international calling cards remain a convenient, low-cost way to reach Japan. Each card gives you a PIN and an access number to place global calls.

03Modern

VoIP services for contacting Japan

VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Japan over the internet, usually at far lower rates than traditional carriers.

Japan profile

What shapes Japanese voice traffic, prefecture to prefecture.

The fundamentals behind calls to and from Japan — the +81 code, Tokyo, the nationwide JST zone and the area-code plan.

Capital
Tokyo
Region
Asia
Time zone
Asia/Tokyo
Numbering zone
Zone 8
Code length
2 digits
ISO 3166 codes
JP · JPN
Dialing Japan

How to call Japan.

A Japanese number is built from four parts. Here's the anatomy and dialling order, including the leading-zero rule.

Number anatomy

Exit prefix++Country code81+Area / mobileXX+Subscriber numberXXX XXX
Final dialled number
+81 XX XXX XXX
Valid E.164
Format follows ITU-T Recommendation E.164 — the international public telecommunication numbering plan.
01Step 1 of 4

Start with the exit prefix

Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.

02Step 2 of 4

Add the Japan code

Dial +81. This identifies Japan on the global telephone network.

03Step 3 of 4

Enter the area or mobile prefix

Type the first part of the local number. Drop the leading 0 if there is one.

04Step 4 of 4

Finish with the subscriber number

The remaining digits route the call to the specific line in Tokyo or elsewhere.

Need an inbound Japan number?
Ringflow provisions +81 DIDs and termination through direct carrier interconnects — live in minutes, no contracts.
Global directory

Browse the full country code index.

Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.

FAQ

Calling Japan, answered.

What businesses and travellers ask most before dialling Japan on +81.

Japan's country calling code is +81. Always dial it before the national number when calling from outside Japan.
Dial your international access prefix (+ on mobile, or 00 / 011 from a landline), then 81, then the Japan number (drop the leading 0 if it has one).
Japan uses ISO 3166-1 alpha-2 code JP and alpha-3 code JPN.
Japan is part of the Asia region.
Ringflow provisions inbound DIDs and outbound termination across 120+ countries through 500+ direct carrier interconnects. Contact our wholesale team to confirm live coverage and rates for Japan.

Reach every Japanese prefecture on carrier-grade routes.

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