Telephone numbers in Japan consist of an area code, an exchange number, and a subscriber number. Dialing prefixes 001, 00xx, 002xx, 0091xx Carrier selection prefix 184 Prefix to withhold caller ID 186 Prefix to provide caller ID Types of numbers 1xx Special numbers 001 and 00xx Carrier selection codes 0x 2-digit geographic area codes 0xx 3-digit geographic area codes 0xxx 4-digit geographic area codes 0xxxx 5-digit geographic area codes 0x0 3-digit non-Geographic area codes (excluding 010) 0xx0 4-digit non-Geographic area codes (01x0, 0570, 0800, 0910, 0990) Length of numbers Special numbers are three digits long Geographic numbers are 10 digits long 0x0 Non-geographic numbers are 10 -or- 11 digits long. 0xx0 Non-geographic numbers are 10 digits long Three-digit numbers (special numbers) Emergency services 110 Police (112 and 911 redirect to 110 on mobile phones) 118 Maritime emergencies 119 Ambulance, Fire brigade 171 Earthquake assistance 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 Directory services 104 NTT national directory enquiries 0057 KDDI international directory enquiries Special services 114 Automated number-busy check 115 Telegram service 117 Speaking clock 136 Information on last incoming call 177 Weather forecast Long distance carrier selection (Myline) 001 KDDI (international) 0032 IPS Inc. 0033 NTT Communications 0034 NTT Communications (international toll free) 0036 NTT East 0037 Fusion Communications 0039 NTT West 0041 SoftBank Telecom (international / former Japan Telecom) 0053 KDDI (Resold) 0056 KDDI (international) 0061 SoftBank Telecom (international / former Cable and Wireless IDC) 0066 SoftBank Telecom (international / former Cable and Wireless IDC) 0070 KDDI Toll Free 0071 Verizon Japan 0077 KDDI (national) 0080 T-Systems 0081 Fusion Communications (former TTNet) 0088 SoftBank Telecom (national / former Japan Telecom) 0089 T-Systems 0091 Brastel 10 digit numbers Non-geographic area codes 0120 NTT Freedial, toll free 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 0570 0800 Other toll free services 020 Paging services (PDC) and data services (UMTS) 030 Mobile telephony services (legacy systems, PDC, J-CDMA, UMTS) - currently not used 040 Mobile telephony services (legacy systems, PDC, J-CDMA, UMTS) - currently not