Japanese telephone numbering plan
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Country Code: 81
[edit] Dialing prefixes
0 National area code prefix 00 Carrier selection prefix 010 International prefix 184 Prefix to withhold caller ID 186 Prefix to provide caller ID
[edit] Types of numbers
1xx Special numbers 00xx Carrier selection codes 0x 1-digit geographic area codes 0xx 2-digit geographic area codes 0xxx 3-digit geographic area codes 0xxxx 4-digit geographic area codes 0xxxxx 5-digit geographic area codes 0x0 2-digit non-Geographic area codes (excluding 010) 0xx0 3-digit non-Geographic area codes (01x0, 0570, 0800, 0910, 0990)
[edit] Length of numbers
Special numbers are 3 digits long Geographic numbers are 10 digits long, including the leading zero 0x0 Non-geographic numbers are 11 digits long, including the leading zero 0xx0 Non-geographic numbers are 10 digits long, including the leading zero
[edit] Emergency services
110 Police 118 Maritime emergencies 119 Fire brigade 171 Earthquake assistance
[edit] Operator services
100 NTT operator 106 Operator assisted collect call service 108 Automated collect call service 113 NTT technical faults hotline 116 NTT customer service and general enquiries
[edit] Directory services
104 NTT national directory enquiries 0057 KDDI international directory enquiries
[edit] Special services
114 Automated number-busy check 115 Telegram service 117 Speaking clock 136 Information on last incoming call 177 Weather forecast
[edit] Long distance carrier selection (Myline)
With the exception of 001, all carrier selection codes are 4 digits long. They are dialed before the phone number to select a specific carrier.
001 KDDI (international) 0033 NTT Communications 0036 NTT East 0037 Fusion Communications 0039 NTT West 0041 Japan Telecom (international) 0056 KDDI (international) 0061 Japan Telecom (international) 0071 Verizon Japan 0077 KDDI (national) 0080 T-Systems 0081 Fusion Communications 0088 Japan Telecom (national) 0089 T-Systems
[edit] Non-geographic area codes
0120 NTT Freedial, tollfree services 0130 Automated information services 0140 Disaster relief wireless communications 0160 Disaster relief satellite communications 0170 NTT Dengon Dial, chat line services 0180 NTT Telegong, TV/Radio show feedback dial-in 0180 NTT Teledome, automated information services 0190 NTT Angel Line, automated directory services via PC/modem 0190 NTT Annai Jozu, automated directory services via telephone 0800 Other tollfree services 020 Paging services 030 Mobile telephony services (legacy systems, PDC, J-CDMA, UMTS) 040 Mobile telephony services (legacy systems, PDC, J-CDMA, UMTS) 050 IP telephony service (via internet service providers) 0570 Navi Dial, non-geographic wireline 060 Universal personal number services 070 Mobile telephony and data services (PHS) 080 Mobile telephony and data services (PDC, J-CDMA, UMTS) 090 Mobile telephony and data services (PDC, J-CDMA, UMTS) 0910 Private circuit access, local rate services 0990 NTT DialQ2, premium rate services
[edit] Decommissioned area codes
0150 formerly used for maritime wireless communications 0450 formerly used for maritime wireless communications 0750 formerly used for maritime wireless communications
[edit] Area codes (市外局番 "shigai-kyokuban") of selected major cities
011 Sapporo 022 Sendai 0242 Aizu Wakamatsu 025 Niigata 026 Nagano 028 (next digit 6) Utsunomiya 03 Tokyo 043 (next digit 2 or 3) Chiba 044 Kawasaki 045 Yokohama 0465 Kanagawa 048 Saitama (formed in 2001 by the merger of three cities)<---sometimes it is 049 052 Nagoya 054 Shizuoka 06 Osaka 0742 Nara 075 Kyoto 076 Kanazawa 0776 Fukui 078 Kobe 0792 Himeji 082 Hiroshima 0852 Matsue 088 (next digit 6) Tokushima 088 (next digit 8) Kochi 089 (next digit 9) Matsuyama 092 Fukuoka 095 (next digit 8) Nagasaki 096 Kumamoto 098 Okinawa 099 Kagoshima
Geographic numbers are 10 digits long including the leading 0 and the area code. Consequently, densely populated areas have shorter area codes, while less populated areas have longer area codes. For example:
06 xxxx xxxx (Osaka) 075 xxx xxxx (Kyoto) 0742 xx xxxx (Nara) 04992 x xxxx (Niijima island, Tokyo pref.) 082486 xxxx (Takano, Hiroshima pref.)
Area codes increase from north to south; Sapporo in Hokkaido (the northernmost prefecture) has 011, and Setouchi-cho's 09973 is far to the south in Kagoshima. When the telephone system was devised, Okinawa was still under US occupation, so when it was returned to Japan in 1972, its telephone numbers were squeezed between Miyazaki (098x) and Kagoshima (099x), and begin with 0988, 0989, and 0980.
During the 1990s, when plans were being drawn up to amalgamate mid-sized cities and towns into larger municipalities, telephone numbering systems were merged in advance. For example,
07442 x xxxx Kashihara (Nara prefecture) 07444 x xxxx Sakurai 074452 xxxx Takatori 074454 xxxx Asuka etc.
became:
0744 2x xxxx Kashihara 0744 4x xxxx Sakurai 0744 52 xxxx Takatori 0744 54 xxxx Asuka etc.
Many of these towns have in fact refused to merge, leaving callers with more digits to dial when making local calls. This is partially balanced by not having to dial an area code for the neighboring city.
[edit] See also
- Telephone numbering plan
- List of dialing codes in Japan
- Telephone information page of the Japan National Tourist Organisation (JNTO) [1]
