Area Code +81-50-(88660000...88669999) 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 : 88660000 Subscriber Number To : 88669999 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 : NTT-PC 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-(88650000...88659999) next › : +81-50-(88670000...88679999) Dialling Instructions For trunk calls: 0 50 88660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 50 88660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 88660000 ~ 88669999 (Count: 10,000) Example: +81-50-88660000 / 01081-50-88660000 (050-88660000 / 0-50-88660000) +81-50-88660001 / 01081-50-88660001 (050-88660001 / 0-50-88660001) +81-50-88660002 / 01081-50-88660002 (050-88660002 / 0-50-88660002) +81-50-88660003 / 01081-50-88660003 (050-88660003 / 0-50-88660003) +81-50-88660004 / 01081-50-88660004 (050-88660004 / 0-50-88660004) ...+81-50-xxxxxxxx / 01081-50-xxxxxxxx (050-xxxxxxxx / 0-50-xxxxxxxx) ...+81-50-88669995 / 01081-50-88669995 (050-88669995 / 0-50-88669995) +81-50-88669996 / 01081-50-88669996 (050-88669996 / 0-50-88669996) +81-50-88669997 / 01081-50-88669997 (050-88669997 / 0-50-88669997) +81-50-88669998 / 01081-50-88669998 (050-88669998 / 0-50-88669998) +81-50-88669999 / 01081-50-88669999 (050-88669999 / 0-50-88669999)