Area Code +81-508-(0230000...0239999) 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 : 0230000 Subscriber Number To : 0239999 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 : Energia 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-(0220000...0229999) next › : +81-508-(0240000...0249999) Dialling Instructions For trunk calls: 0 508 0230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 508 0230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0230000 ~ 0239999 (Count: 10,000) Example: +81-508-0230000 / 01081-508-0230000 (0508-0230000 / 0-508-0230000) +81-508-0230001 / 01081-508-0230001 (0508-0230001 / 0-508-0230001) +81-508-0230002 / 01081-508-0230002 (0508-0230002 / 0-508-0230002) +81-508-0230003 / 01081-508-0230003 (0508-0230003 / 0-508-0230003) +81-508-0230004 / 01081-508-0230004 (0508-0230004 / 0-508-0230004) ...+81-508-xxxxxxx / 01081-508-xxxxxxx (0508-xxxxxxx / 0-508-xxxxxxx) ...+81-508-0239995 / 01081-508-0239995 (0508-0239995 / 0-508-0239995) +81-508-0239996 / 01081-508-0239996 (0508-0239996 / 0-508-0239996) +81-508-0239997 / 01081-508-0239997 (0508-0239997 / 0-508-0239997) +81-508-0239998 / 01081-508-0239998 (0508-0239998 / 0-508-0239998) +81-508-0239999 / 01081-508-0239999 (0508-0239999 / 0-508-0239999)