Area Code +81-501-(1430000...1439999) 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 : 1430000 Subscriber Number To : 1439999 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-(1420000...1429999) next › : +81-501-(1440000...1449999) Dialling Instructions For trunk calls: 0 501 1430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 1430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1430000 ~ 1439999 (Count: 10,000) Example: +81-501-1430000 / 01081-501-1430000 (0501-1430000 / 0-501-1430000) +81-501-1430001 / 01081-501-1430001 (0501-1430001 / 0-501-1430001) +81-501-1430002 / 01081-501-1430002 (0501-1430002 / 0-501-1430002) +81-501-1430003 / 01081-501-1430003 (0501-1430003 / 0-501-1430003) +81-501-1430004 / 01081-501-1430004 (0501-1430004 / 0-501-1430004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-1439995 / 01081-501-1439995 (0501-1439995 / 0-501-1439995) +81-501-1439996 / 01081-501-1439996 (0501-1439996 / 0-501-1439996) +81-501-1439997 / 01081-501-1439997 (0501-1439997 / 0-501-1439997) +81-501-1439998 / 01081-501-1439998 (0501-1439998 / 0-501-1439998) +81-501-1439999 / 01081-501-1439999 (0501-1439999 / 0-501-1439999)