Area Code +81-507-(1300000...1399999) 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 : 1300000 Subscriber Number To : 1399999 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 : Opticom 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-(1200000...1299999) next › : +81-507-(1400000...1499999) Dialling Instructions For trunk calls: 0 507 1300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 507 1300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1300000 ~ 1399999 (Count: 100,000) Example: +81-507-1300000 / 01081-507-1300000 (0507-1300000 / 0-507-1300000) +81-507-1300001 / 01081-507-1300001 (0507-1300001 / 0-507-1300001) +81-507-1300002 / 01081-507-1300002 (0507-1300002 / 0-507-1300002) +81-507-1300003 / 01081-507-1300003 (0507-1300003 / 0-507-1300003) +81-507-1300004 / 01081-507-1300004 (0507-1300004 / 0-507-1300004) ...+81-507-xxxxxxx / 01081-507-xxxxxxx (0507-xxxxxxx / 0-507-xxxxxxx) ...+81-507-1399995 / 01081-507-1399995 (0507-1399995 / 0-507-1399995) +81-507-1399996 / 01081-507-1399996 (0507-1399996 / 0-507-1399996) +81-507-1399997 / 01081-507-1399997 (0507-1399997 / 0-507-1399997) +81-507-1399998 / 01081-507-1399998 (0507-1399998 / 0-507-1399998) +81-507-1399999 / 01081-507-1399999 (0507-1399999 / 0-507-1399999)