Area Code +81-503-(1660000...1669999) 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 : 1660000 Subscriber Number To : 1669999 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 : KDDI 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-(1650000...1659999) next › : +81-503-(1670000...1679999) Dialling Instructions For trunk calls: 0 503 1660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 1660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1660000 ~ 1669999 (Count: 10,000) Example: +81-503-1660000 / 01081-503-1660000 (0503-1660000 / 0-503-1660000) +81-503-1660001 / 01081-503-1660001 (0503-1660001 / 0-503-1660001) +81-503-1660002 / 01081-503-1660002 (0503-1660002 / 0-503-1660002) +81-503-1660003 / 01081-503-1660003 (0503-1660003 / 0-503-1660003) +81-503-1660004 / 01081-503-1660004 (0503-1660004 / 0-503-1660004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-1669995 / 01081-503-1669995 (0503-1669995 / 0-503-1669995) +81-503-1669996 / 01081-503-1669996 (0503-1669996 / 0-503-1669996) +81-503-1669997 / 01081-503-1669997 (0503-1669997 / 0-503-1669997) +81-503-1669998 / 01081-503-1669998 (0503-1669998 / 0-503-1669998) +81-503-1669999 / 01081-503-1669999 (0503-1669999 / 0-503-1669999)
