Area Code +81-507-(7750000...7759999) 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 : 7750000 Subscriber Number To : 7759999 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-(7740000...7749999) next › : +81-507-(7890000...7899999) Dialling Instructions For trunk calls: 0 507 7750000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 507 7750000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7750000 ~ 7759999 (Count: 10,000) Example: +81-507-7750000 / 01081-507-7750000 (0507-7750000 / 0-507-7750000) +81-507-7750001 / 01081-507-7750001 (0507-7750001 / 0-507-7750001) +81-507-7750002 / 01081-507-7750002 (0507-7750002 / 0-507-7750002) +81-507-7750003 / 01081-507-7750003 (0507-7750003 / 0-507-7750003) +81-507-7750004 / 01081-507-7750004 (0507-7750004 / 0-507-7750004) ...+81-507-xxxxxxx / 01081-507-xxxxxxx (0507-xxxxxxx / 0-507-xxxxxxx) ...+81-507-7759995 / 01081-507-7759995 (0507-7759995 / 0-507-7759995) +81-507-7759996 / 01081-507-7759996 (0507-7759996 / 0-507-7759996) +81-507-7759997 / 01081-507-7759997 (0507-7759997 / 0-507-7759997) +81-507-7759998 / 01081-507-7759998 (0507-7759998 / 0-507-7759998) +81-507-7759999 / 01081-507-7759999 (0507-7759999 / 0-507-7759999)