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Japan Phone Number Format

Country code +81 — Complete guide to Japan phone number formats, mobile and landline structures, and area codes.

How Japan Phone Numbers Are Written

Phone numbers in Japan have 10 digits for mobiles and 9 for landlines after the country code +81. Inside Japan a number is written with a leading 0, which makes 11 digits: 090-XXXX-XXXX. Drop that 0 when you call from abroad or save the number in international format: +81 90-XXXX-XXXX.

Country code+81
Digits after +8110 digits for mobiles and 9 for landlines
Trunk prefix (domestic calls) 0, dropped after +81
Mobile numbers start with 060, 070, 080 or 090
Exit code (to call abroad from Japan)010
Dial from the US011 81 90-XXXX-XXXX

Mobile vs. Landline Numbers

Mobile numbers

10 digits after +81, starting with 060, 070, 080 or 090.

090-XXXX-XXXX at home
+81 90-XXXX-XXXX international
Landline numbers

9 digits after +81. Landlines begin with an area code, for example Tokyo:

03-XXXX-XXXX at home
+81 3-XXXX-XXXX international

Japan Number Types

Type Starts with Written at home International From the US
Mobile 060, 070, 080 or 090 090-XXXX-XXXX +81 90-XXXX-XXXX 011 81 90-XXXX-XXXX
Landline — 03-XXXX-XXXX +81 3-XXXX-XXXX 011 81 3-XXXX-XXXX
Toll-free 000, 012 or 080 0120-XXX-XXX +81 120-XXX-XXX 011 81 120-XXX-XXX
Premium rate 099 0990-XXX-XXX +81 990-XXX-XXX 011 81 990-XXX-XXX
VoIP — 050-XXXX-XXXX +81 50-XXXX-XXXX 011 81 50-XXXX-XXXX
Company number (UAN) — 0570-XXX-XXX +81 570-XXX-XXX 011 81 570-XXX-XXX

X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.

Checking a number from Japan? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.

Japan Area Codes

Major area codes in Japan:

Area Code City / Region
96 Akita
177 Aomori
166 Asahikawa
43 Chiba
43 Choshi
92 Fukuoka
47 Funabashi
58 Gifu
42 Hachioji
138 Hakodate
79 Himeji
82 Hiroshima
47 Ichikawa
99 Kagoshima
76 Kanazawa
568 Kasugai
482 Kawaguchi
44 Kawasaki
724 Kishiwada
93 Kitakyushu
78 Kobe
552 Kofu
96 Kumamoto
86 Kurashiki
823 Kure
942 Kurume
75 Kyoto
427 Machida
47 Matsudo
263 Matsumoto
89 Matsuyama
292 Mito
985 Miyazaki
196 Morioka
262 Nagano
258 Nagaoka
95 Nagasaki
52 Nagoya
98 Naha
25 Niigata
584 Ogaki
862 Okayama
564 Okazaki
98 Okinawa
48 Omiya
9445 Omuta
66 Osaka
72 Sakai
11 Sapporo
956 Sasebo

Dialing Tips

  • Remove the leading 0: When dialing internationally, drop the trunk prefix (0) that is used for domestic calls in Japan.
  • Use the + notation: From a US mobile phone, use +81 instead of 011 81.
  • Verify the number length: Numbers in Japan have 10 digits for mobiles and 9 for landlines after +81. If your call does not connect, check that no digit is missing or doubled.
  • Save contacts in international format: Always store phone numbers with the full +81 prefix so they work from any country.

Japan Phone Number FAQ

How many digits does a phone number in Japan have?

Phone numbers in Japan have 10 digits for mobiles and 9 for landlines after the country code +81. Written for domestic calls with the leading 0, a mobile number has 11 digits.

What do mobile numbers in Japan start with?

Mobile numbers in Japan start with 060, 070, 080 or 090 when written for domestic calls. In international format the leading 0 is dropped: +81 90-XXXX-XXXX.

How do I write a phone number from Japan in international format?

Start with +81, then the national number without the leading 0. For example, a mobile number written 090-XXXX-XXXX at home becomes +81 90-XXXX-XXXX. From a US landline, dial 011 81 90-XXXX-XXXX.

What is the toll-free prefix in Japan?

Toll-free numbers in Japan start with 000, 012 or 080, for example 0120-XXX-XXX. Many toll-free numbers can't be reached from abroad.

How do I call the US from Japan?

Dial the exit code 010, then 1 and the 10-digit US number: 010 1 XXX XXX XXXX. From a mobile phone you can use + instead of 010: +1 XXX XXX XXXX.

Japan Quick Info
Country Code +81
ISO Code JP
Capital Tokyo
International Prefix 011 (from US)