Area Code +81-501-(2630000...2639999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 501 Subscriber Number From : 2630000 Subscriber Number To : 2639999 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 : Softbank Broadband 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 : +81-501-(2620000...2629999) next › : +81-501-(2640000...2649999) Dialling Instructions For trunk calls: 0 501 2630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 2630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2630000 ~ 2639999 (Count: 10,000) Example: +81-501-2630000 / 01081-501-2630000 (0501-2630000 / 0-501-2630000) +81-501-2630001 / 01081-501-2630001 (0501-2630001 / 0-501-2630001) +81-501-2630002 / 01081-501-2630002 (0501-2630002 / 0-501-2630002) +81-501-2630003 / 01081-501-2630003 (0501-2630003 / 0-501-2630003) +81-501-2630004 / 01081-501-2630004 (0501-2630004 / 0-501-2630004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-2639995 / 01081-501-2639995 (0501-2639995 / 0-501-2639995) +81-501-2639996 / 01081-501-2639996 (0501-2639996 / 0-501-2639996) +81-501-2639997 / 01081-501-2639997 (0501-2639997 / 0-501-2639997) +81-501-2639998 / 01081-501-2639998 (0501-2639998 / 0-501-2639998) +81-501-2639999 / 01081-501-2639999 (0501-2639999 / 0-501-2639999)