What is the dialing code for Japan?

The international dialing code for Japan is +81.

How many digits are in a Japan mobile number?

Japan mobile numbers are typically 10 digits long, not counting the country code.

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+81 · Asia

Dialing code

+81

Mobile number length

10 digits

Domestic trunk prefix

Likely type

Mobile

National format example

090 1234 5678

International format example

+81 90 1234 5678

Major carriers

NTT Docomo au SoftBank

Dial the international prefix (usually 00 or +), followed by +81, then the local number without the leading 0.

Results are based on public numbering plans, not a live carrier query — numbers can be ported between carriers.

Dialing code

Likely type

Format

Possible carriers