Japan: +81

How to call Japan

The table uses the example number below. Replace it with the number you are calling. Drop the 0 at the start of the national number when you dial from abroad.

How a Japan number is built

Digit counts are the national number only, after the country code and without the 0 trunk prefix.

Example, national form

090-1234-5678

Example, international form

+81 90 1234 5678

Validate a Japan number

Paste a number and the tool checks it against the numbering plan. It returns the standard formats and the line type the plan assigns.

Area codes and places in Japan

The start of a number shows the place its range was first assigned to. 1251 ranges are listed in the source.

Showing 400 of 1251 rows in the source. Names are where the range was first assigned; numbers move between places and carriers.

Who first issued each range in Japan

245 ranges are listed in the source with the network that first held them. Numbers port between networks, so the current network can differ.

245 rows. The first issuer of the range; numbers port between carriers, so the current carrier can differ.

Questions about calling Japan

What is the country code for Japan?

The country code for Japan is +81. Written in full, a number looks like +81 90 1234 5678.

How do I call Japan from the United States?

Dial 011, then 81 90 1234 5678. On a mobile phone you can dial +81 90 1234 5678 instead.

Do I dial the 0 at the start of a Japan number from abroad?

No. The 0 is the trunk prefix used for calls inside Japan (090-1234-5678). From abroad it is dropped after +81 (+81 90 1234 5678).

How many digits is a Japan phone number?

Mobile numbers have 10 digits after the country code. Landline numbers have 9 digits.

How do I call another country from Japan?

Dial 010, then the country code and the number. On a mobile phone, + replaces 010.

Check numbers in bulk with the API

See every country code.