How to Call Japan Phone Numbers
Country phone codes
+81 is the country calling code assigned to Japan by the International Telecommunication Union. All of the country’s telephone numbers are also designated under the Telecommunication Business Act of 1984 created by the Ministry of Internal Affairs and Communications of the Japanese Government.
So if you’re calling Japan, the number should start with:
+81 12-345-6789
Check Lebara’s rate for Japan
View RatesOther Important Information about Japan
Prefix
A prefix is simply the set of numbers that come before the country and area codes of a telephone number. Japan’s telephone numbers are made up of 11-13 numbers split into groups of 3. So if you’re going to make a call to Japan using a mobile phone, you should dial country code+area code+4-8-digit number. Some of the common area codes in Japan include Osaka (6), Kyoto (75) and Nara (742).
| Location | Country Code | Landline Area Code | Landline Number |
|---|---|---|---|
| Osaka | +81 | (6) | 1234 5678 |
| Kyoto | +81 | (75) | 1234 5678 |
| Nara | +81 | (742) | 1234 5678 |
So if you’re making a call to Osaka, dial +81 6 1234 5678.
Network coverage
Network coverage is readily available across Japan.
4G coverage
4G connection is readily available across the country, but quality highly depends on the mobile operator.
International Roaming
Available at over 50 destinations, you can count on us to keep you connected even when you’re not in home soil.
We know how difficult it can be to be far from home and the family for a long time. We can only wish to talk to them non-stop day and night. But we also know that the more we spend time with calls and texts overseas, the bigger the expenses can get. Read more
Top Mobile SIM network in Japan
Here are the top mobile SIM networks in Japan:
au by KDDI
NTT DoCoMo
Rakuten Mobile
Top Apps Used to Communicate
Here are the top apps mostly used for communication in Japan:
Line
Emergency phone numbers
Here are the 4 most important emergency numbers to take note of when visiting Japan:
119 for fire, ambulance services
171 for earthquake assistance
110 for police
7119 for the national emergency number.
Best Time to Call Japan
Japan observes Japan Standard Time (JST) using the time offset of UTC+9.
Wherever you are in Australia, you can call Japan from the following time zones:
| Best time to call | Time to Call |
UTC Relative |
Time Zone |
State |
|---|---|---|---|---|
| Japan | 10:00am-10:00pm | UTC+10:00 | Australian Eastern Standard Time (AEST) | Queensland |
| 8:00am-8:00pm | UTC+08:00 | Australian Western Standard Time (AWST) | Western Australia | |
| 9:30am-9:30pm | UTC+09:30 | Australian Central Standard Time (ACST) | South Australia, Northern Territory and town of Broken Hill in Western New South Wales | |
| 11:00am-11:00pm | UTC+11:00 | Norfolk Island Standard Time (NFT) | Norfolk Island | |
| 7:00am-7:00pm | UTC+07:00 | Christmas Island Standard Time (CXT) | Christmas Island | |
| 7:30am-6:30pm | UTC+06:30 | Cocos (Keeling) Islands Standard Time (CCT) | Cocos (Keeling) Islands |
Daylight Savings Time (first Sunday in October – first Sunday in April)
| Best time to call | Time to Call |
UTC Relative |
Time Zone |
State |
|---|---|---|---|---|
| Japan | 11:00am- 11:00pm | UTC+11:00 | Australian Eastern Daylight Time (AEDT) | New South Wales (except Broken Hill), Victoria, Tasmania, Australian Capital Territory |
| 10:00am – 1:00pm | UTC+10:00 | Australian Eastern Standard Time (AEST) | Queensland | |
| 8:00am – 8:00pm | UTC+08:00 | Australian Western Standard Time (AWST) | Western Australia | |
| 11:30am – 11:30pm | UTC+10:30 | Australian Central Daylight Time (ACDT) | South Australia, Northern Territory and town of Broken Hill in Western New South Wales | |
| 10:30am – 10:30pm | UTC+09:30 | Australian Central Standard Time (ACST) | Northern Territory | |
| 12:00pm – 12:00am | UTC+12:00 | Norfolk Island Daylight Time (NDT) | Norfolk Island | |
| 7:00am – 7:00pm | UTC+07:00 | Christmas Island Standard Time (CXT) | Christmas Island | |
| 7:30am – 6:30pm | UTC+06:30 | Cocos (Keeling) Islands Standard Time (CCT) | Cocos (Keeling) Islands |