Area Code +81-501-(2520000...2529999) 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 : 2520000 Subscriber Number To : 2529999 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-(2510000...2519999) next › : +81-501-(2530000...2539999) Dialling Instructions For trunk calls: 0 501 2520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 501 2520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2520000 ~ 2529999 (Count: 10,000) Example: +81-501-2520000 / 01081-501-2520000 (0501-2520000 / 0-501-2520000) +81-501-2520001 / 01081-501-2520001 (0501-2520001 / 0-501-2520001) +81-501-2520002 / 01081-501-2520002 (0501-2520002 / 0-501-2520002) +81-501-2520003 / 01081-501-2520003 (0501-2520003 / 0-501-2520003) +81-501-2520004 / 01081-501-2520004 (0501-2520004 / 0-501-2520004) ...+81-501-xxxxxxx / 01081-501-xxxxxxx (0501-xxxxxxx / 0-501-xxxxxxx) ...+81-501-2529995 / 01081-501-2529995 (0501-2529995 / 0-501-2529995) +81-501-2529996 / 01081-501-2529996 (0501-2529996 / 0-501-2529996) +81-501-2529997 / 01081-501-2529997 (0501-2529997 / 0-501-2529997) +81-501-2529998 / 01081-501-2529998 (0501-2529998 / 0-501-2529998) +81-501-2529999 / 01081-501-2529999 (0501-2529999 / 0-501-2529999)