How Japanese phone numbers are formatted
Tokyo numbers start with 03 and Osaka with 06, while mobile numbers begin with 090, 080 or 070 and are written 090-1234-5678.
Each landline uses the real area code of a city such as Tokyo, Osaka, Yokohama, so numbers look exactly like those your users will type.
How to use it
- The country is already set to Japan — adjust the other options if needed.
- Press Generate for a fresh batch.
- Copy single results or export everything as CSV, JSON or TXT.
Want results from other countries? Open the Random Phone Number Generator to mix all 40 countries.
Frequently asked questions
What is the country code for Japan?
The international dialling code for Japan is +81.
Can I call these Japanese numbers?
Please don’t — they are generated randomly and may belong to real subscribers. Use them only for testing and design.
Can I call these numbers?
Please don’t. They are randomly generated and may belong to real people. Use them only for testing and display purposes.
What is E.164 format?
E.164 is the international standard: a plus sign, the country code and the subscriber number with no spaces, e.g. +442079460958. Most SMS and telephony APIs require it.