Area Code +81-501-(4340000...4349999) 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 : 4340000 Subscriber Number To : 4349999 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-(4330000...4339999) next › : +81-501-(4350000...4359999) Dialling Instructions For trunk calls: 0 501 4340000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 4340000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4340000 ~ 4349999 (Count: 10,000) Example: +81-501-4340000 / 01081-501-4340000 (0501-4340000 / 0-501-4340000) +81-501-4340001 / 01081-501-4340001 (0501-4340001 / 0-501-4340001) +81-501-4340002 / 01081-501-4340002 (0501-4340002 / 0-501-4340002) +81-501-4340003 / 01081-501-4340003 (0501-4340003 / 0-501-4340003) +81-501-4340004 / 01081-501-4340004 (0501-4340004 / 0-501-4340004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-4349995 / 01081-501-4349995 (0501-4349995 / 0-501-4349995) +81-501-4349996 / 01081-501-4349996 (0501-4349996 / 0-501-4349996) +81-501-4349997 / 01081-501-4349997 (0501-4349997 / 0-501-4349997) +81-501-4349998 / 01081-501-4349998 (0501-4349998 / 0-501-4349998) +81-501-4349999 / 01081-501-4349999 (0501-4349999 / 0-501-4349999)