Area Code +81-507-(7720000...7729999) 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 : 7720000 Subscriber Number To : 7729999 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-(7710000...7719999) next › : +81-507-(7730000...7739999) Dialling Instructions For trunk calls: 0 507 7720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 507 7720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7720000 ~ 7729999 (Count: 10,000) Example: +81-507-7720000 / 01081-507-7720000 (0507-7720000 / 0-507-7720000) +81-507-7720001 / 01081-507-7720001 (0507-7720001 / 0-507-7720001) +81-507-7720002 / 01081-507-7720002 (0507-7720002 / 0-507-7720002) +81-507-7720003 / 01081-507-7720003 (0507-7720003 / 0-507-7720003) +81-507-7720004 / 01081-507-7720004 (0507-7720004 / 0-507-7720004) ...+81-507-xxxxxxx / 01081-507-xxxxxxx (0507-xxxxxxx / 0-507-xxxxxxx) ...+81-507-7729995 / 01081-507-7729995 (0507-7729995 / 0-507-7729995) +81-507-7729996 / 01081-507-7729996 (0507-7729996 / 0-507-7729996) +81-507-7729997 / 01081-507-7729997 (0507-7729997 / 0-507-7729997) +81-507-7729998 / 01081-507-7729998 (0507-7729998 / 0-507-7729998) +81-507-7729999 / 01081-507-7729999 (0507-7729999 / 0-507-7729999)