Area Code +81-503-(6060000...6069999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 503 Subscriber Number From : 6060000 Subscriber Number To : 6069999 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 Communications 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 : +81-503-(6050000...6059999) next › : +81-503-(6070000...6079999) Dialling Instructions For trunk calls: 0 503 6060000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 6060000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6060000 ~ 6069999 (Count: 10,000) Example: +81-503-6060000 / 01081-503-6060000 (0503-6060000 / 0-503-6060000) +81-503-6060001 / 01081-503-6060001 (0503-6060001 / 0-503-6060001) +81-503-6060002 / 01081-503-6060002 (0503-6060002 / 0-503-6060002) +81-503-6060003 / 01081-503-6060003 (0503-6060003 / 0-503-6060003) +81-503-6060004 / 01081-503-6060004 (0503-6060004 / 0-503-6060004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-6069995 / 01081-503-6069995 (0503-6069995 / 0-503-6069995) +81-503-6069996 / 01081-503-6069996 (0503-6069996 / 0-503-6069996) +81-503-6069997 / 01081-503-6069997 (0503-6069997 / 0-503-6069997) +81-503-6069998 / 01081-503-6069998 (0503-6069998 / 0-503-6069998) +81-503-6069999 / 01081-503-6069999 (0503-6069999 / 0-503-6069999)