Area Code +81-501-(7220000...7229999) 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 : 7220000 Subscriber Number To : 7229999 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-(7210000...7219999) next › : +81-501-(7230000...7239999) Dialling Instructions For trunk calls: 0 501 7220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 7220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7220000 ~ 7229999 (Count: 10,000) Example: +81-501-7220000 / 01081-501-7220000 (0501-7220000 / 0-501-7220000) +81-501-7220001 / 01081-501-7220001 (0501-7220001 / 0-501-7220001) +81-501-7220002 / 01081-501-7220002 (0501-7220002 / 0-501-7220002) +81-501-7220003 / 01081-501-7220003 (0501-7220003 / 0-501-7220003) +81-501-7220004 / 01081-501-7220004 (0501-7220004 / 0-501-7220004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-7229995 / 01081-501-7229995 (0501-7229995 / 0-501-7229995) +81-501-7229996 / 01081-501-7229996 (0501-7229996 / 0-501-7229996) +81-501-7229997 / 01081-501-7229997 (0501-7229997 / 0-501-7229997) +81-501-7229998 / 01081-501-7229998 (0501-7229998 / 0-501-7229998) +81-501-7229999 / 01081-501-7229999 (0501-7229999 / 0-501-7229999)