Area Code +81-507-(7700000...7709999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 507 Subscriber Number From : 7700000 Subscriber Number To : 7709999 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 : Chubu Telecommunications 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 : +81-507-(6250000...6259999) next › : +81-507-(7710000...7719999) Dialling Instructions For trunk calls: 0 507 7700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 507 7700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7700000 ~ 7709999 (Count: 10,000) Example: +81-507-7700000 / 01081-507-7700000 (0507-7700000 / 0-507-7700000) +81-507-7700001 / 01081-507-7700001 (0507-7700001 / 0-507-7700001) +81-507-7700002 / 01081-507-7700002 (0507-7700002 / 0-507-7700002) +81-507-7700003 / 01081-507-7700003 (0507-7700003 / 0-507-7700003) +81-507-7700004 / 01081-507-7700004 (0507-7700004 / 0-507-7700004) ...+81-507-xxxxxxx / 01081-507-xxxxxxx (0507-xxxxxxx / 0-507-xxxxxxx) ...+81-507-7709995 / 01081-507-7709995 (0507-7709995 / 0-507-7709995) +81-507-7709996 / 01081-507-7709996 (0507-7709996 / 0-507-7709996) +81-507-7709997 / 01081-507-7709997 (0507-7709997 / 0-507-7709997) +81-507-7709998 / 01081-507-7709998 (0507-7709998 / 0-507-7709998) +81-507-7709999 / 01081-507-7709999 (0507-7709999 / 0-507-7709999)