Area Code +81-50-(73000000...73009999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 50 Subscriber Number From : 73000000 Subscriber Number To : 73009999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : Freebit Mobile 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 : 35.6900 Longitude : 139.6900 ‹ previous : +81-50-(71430000...71439999) next › : +81-50-(73010000...73019999) Dialling Instructions For trunk calls: 0 50 73000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 50 73000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 73000000 ~ 73009999 (Count: 10,000) Example: +81-50-73000000 / 01081-50-73000000 (050-73000000 / 0-50-73000000) +81-50-73000001 / 01081-50-73000001 (050-73000001 / 0-50-73000001) +81-50-73000002 / 01081-50-73000002 (050-73000002 / 0-50-73000002) +81-50-73000003 / 01081-50-73000003 (050-73000003 / 0-50-73000003) +81-50-73000004 / 01081-50-73000004 (050-73000004 / 0-50-73000004) ...+81-50-xxxxxxxx / 01081-50-xxxxxxxx (050-xxxxxxxx / 0-50-xxxxxxxx) ...+81-50-73009995 / 01081-50-73009995 (050-73009995 / 0-50-73009995) +81-50-73009996 / 01081-50-73009996 (050-73009996 / 0-50-73009996) +81-50-73009997 / 01081-50-73009997 (050-73009997 / 0-50-73009997) +81-50-73009998 / 01081-50-73009998 (050-73009998 / 0-50-73009998) +81-50-73009999 / 01081-50-73009999 (050-73009999 / 0-50-73009999)