Area Code +81-508-(8600000...8699999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 508 Subscriber Number From : 8600000 Subscriber Number To : 8699999 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 : 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 : None Longitude : None ‹ previous : +81-508-(8100000...8109999) next › : +81-508-(8650000...8659999) Dialling Instructions For trunk calls: 0 508 8600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 508 8600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8600000 ~ 8699999 (Count: 100,000) Example: +81-508-8600000 / 01081-508-8600000 (0508-8600000 / 0-508-8600000) +81-508-8600001 / 01081-508-8600001 (0508-8600001 / 0-508-8600001) +81-508-8600002 / 01081-508-8600002 (0508-8600002 / 0-508-8600002) +81-508-8600003 / 01081-508-8600003 (0508-8600003 / 0-508-8600003) +81-508-8600004 / 01081-508-8600004 (0508-8600004 / 0-508-8600004) ...+81-508-xxxxxxx / 01081-508-xxxxxxx (0508-xxxxxxx / 0-508-xxxxxxx) ...+81-508-8699995 / 01081-508-8699995 (0508-8699995 / 0-508-8699995) +81-508-8699996 / 01081-508-8699996 (0508-8699996 / 0-508-8699996) +81-508-8699997 / 01081-508-8699997 (0508-8699997 / 0-508-8699997) +81-508-8699998 / 01081-508-8699998 (0508-8699998 / 0-508-8699998) +81-508-8699999 / 01081-508-8699999 (0508-8699999 / 0-508-8699999)