Area Code +81-4992-(50000...59999) located in Izu-Oshima, Tokyo (13), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 4992 Subscriber Number From : 50000 Subscriber Number To : 59999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : NTT East Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 13 Region Name : Tokyo City : Izu-Oshima Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 34.7500 Longitude : 139.3600 ‹ previous : +81-4992-(40000...49999) next › : +81-4992-(70000...79999) Dialling Instructions For trunk calls: 0 4992 50000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 4992 50000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 50000 ~ 59999 (Count: 10,000) Example: +81-4992-50000 / 01081-4992-50000 (04992-50000 / 0-4992-50000) +81-4992-50001 / 01081-4992-50001 (04992-50001 / 0-4992-50001) +81-4992-50002 / 01081-4992-50002 (04992-50002 / 0-4992-50002) +81-4992-50003 / 01081-4992-50003 (04992-50003 / 0-4992-50003) +81-4992-50004 / 01081-4992-50004 (04992-50004 / 0-4992-50004) ...+81-4992-xxxxx / 01081-4992-xxxxx (04992-xxxxx / 0-4992-xxxxx) ...+81-4992-59995 / 01081-4992-59995 (04992-59995 / 0-4992-59995) +81-4992-59996 / 01081-4992-59996 (04992-59996 / 0-4992-59996) +81-4992-59997 / 01081-4992-59997 (04992-59997 / 0-4992-59997) +81-4992-59998 / 01081-4992-59998 (04992-59998 / 0-4992-59998) +81-4992-59999 / 01081-4992-59999 (04992-59999 / 0-4992-59999)