03 area code — Tokyo
03 is the telephone area code for Tokyo in Japan. Numbers are written internationally as +81 3.
How to call Tokyo
- From abroad
- +81 3 XXX XXXX
- Within Japan
- 03 XXX XXXX
- Country calling code
- +81
About the 03 area code
Dialed within Japan as 03, this code is written internationally as +81 3 followed by the subscriber's local number.
Area codes like 03 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Japan number. To actually receive an SMS on a Japan number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Tokyo?
Tokyo uses the area code 03, written internationally as +81 3.
How do I call Tokyo from another country?
Dial your international access code, then +81 3, then the local number — dropping the national leading 0.
What time is it in Tokyo?
Tokyo is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 03 a mobile or a landline code?
03 is a geographic (landline) area code for Tokyo. Mobile numbers in Japan use their own separate prefixes.