Area Code +81-501-(7480000...7489999) 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 : 7480000 Subscriber Number To : 7489999 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-(7470000...7479999) next › : +81-501-(7490000...7499999) Dialling Instructions For trunk calls: 0 501 7480000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 7480000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7480000 ~ 7489999 (Count: 10,000) Example: +81-501-7480000 / 01081-501-7480000 (0501-7480000 / 0-501-7480000) +81-501-7480001 / 01081-501-7480001 (0501-7480001 / 0-501-7480001) +81-501-7480002 / 01081-501-7480002 (0501-7480002 / 0-501-7480002) +81-501-7480003 / 01081-501-7480003 (0501-7480003 / 0-501-7480003) +81-501-7480004 / 01081-501-7480004 (0501-7480004 / 0-501-7480004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-7489995 / 01081-501-7489995 (0501-7489995 / 0-501-7489995) +81-501-7489996 / 01081-501-7489996 (0501-7489996 / 0-501-7489996) +81-501-7489997 / 01081-501-7489997 (0501-7489997 / 0-501-7489997) +81-501-7489998 / 01081-501-7489998 (0501-7489998 / 0-501-7489998) +81-501-7489999 / 01081-501-7489999 (0501-7489999 / 0-501-7489999)