Area Code +81-501-(1100000...1109999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 501 Subscriber Number From : 1100000 Subscriber Number To : 1109999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : Softbank Broadband Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : VoIP Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +81-501-(1090000...1099999) next › : +81-501-(1110000...1119999) Dialling Instructions For trunk calls: 0 501 1100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 1100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1100000 ~ 1109999 (Count: 10,000) Example: +81-501-1100000 / 01081-501-1100000 (0501-1100000 / 0-501-1100000) +81-501-1100001 / 01081-501-1100001 (0501-1100001 / 0-501-1100001) +81-501-1100002 / 01081-501-1100002 (0501-1100002 / 0-501-1100002) +81-501-1100003 / 01081-501-1100003 (0501-1100003 / 0-501-1100003) +81-501-1100004 / 01081-501-1100004 (0501-1100004 / 0-501-1100004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-1109995 / 01081-501-1109995 (0501-1109995 / 0-501-1109995) +81-501-1109996 / 01081-501-1109996 (0501-1109996 / 0-501-1109996) +81-501-1109997 / 01081-501-1109997 (0501-1109997 / 0-501-1109997) +81-501-1109998 / 01081-501-1109998 (0501-1109998 / 0-501-1109998) +81-501-1109999 / 01081-501-1109999 (0501-1109999 / 0-501-1109999)