Area Code +81-50-(73030000...73039999) 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 : 73030000 Subscriber Number To : 73039999 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-(73020000...73029999) next › : +81-50-(75000000...75009999) Dialling Instructions For trunk calls: 0 50 73030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 50 73030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 73030000 ~ 73039999 (Count: 10,000) Example: +81-50-73030000 / 01081-50-73030000 (050-73030000 / 0-50-73030000) +81-50-73030001 / 01081-50-73030001 (050-73030001 / 0-50-73030001) +81-50-73030002 / 01081-50-73030002 (050-73030002 / 0-50-73030002) +81-50-73030003 / 01081-50-73030003 (050-73030003 / 0-50-73030003) +81-50-73030004 / 01081-50-73030004 (050-73030004 / 0-50-73030004) ...+81-50-xxxxxxxx / 01081-50-xxxxxxxx (050-xxxxxxxx / 0-50-xxxxxxxx) ...+81-50-73039995 / 01081-50-73039995 (050-73039995 / 0-50-73039995) +81-50-73039996 / 01081-50-73039996 (050-73039996 / 0-50-73039996) +81-50-73039997 / 01081-50-73039997 (050-73039997 / 0-50-73039997) +81-50-73039998 / 01081-50-73039998 (050-73039998 / 0-50-73039998) +81-50-73039999 / 01081-50-73039999 (050-73039999 / 0-50-73039999)