Area Code +81-501-(4700000...4709999) 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 : 4700000 Subscriber Number To : 4709999 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-(4690000...4699999) next › : +81-501-(4710000...4719999) Dialling Instructions For trunk calls: 0 501 4700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 4700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4700000 ~ 4709999 (Count: 10,000) Example: +81-501-4700000 / 01081-501-4700000 (0501-4700000 / 0-501-4700000) +81-501-4700001 / 01081-501-4700001 (0501-4700001 / 0-501-4700001) +81-501-4700002 / 01081-501-4700002 (0501-4700002 / 0-501-4700002) +81-501-4700003 / 01081-501-4700003 (0501-4700003 / 0-501-4700003) +81-501-4700004 / 01081-501-4700004 (0501-4700004 / 0-501-4700004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-4709995 / 01081-501-4709995 (0501-4709995 / 0-501-4709995) +81-501-4709996 / 01081-501-4709996 (0501-4709996 / 0-501-4709996) +81-501-4709997 / 01081-501-4709997 (0501-4709997 / 0-501-4709997) +81-501-4709998 / 01081-501-4709998 (0501-4709998 / 0-501-4709998) +81-501-4709999 / 01081-501-4709999 (0501-4709999 / 0-501-4709999)