Area Code +81-503-(1020000...1029999) 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 : 1020000 Subscriber Number To : 1029999 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-(1010000...1019999) next › : +81-503-(1030000...1039999) Dialling Instructions For trunk calls: 0 503 1020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 1020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1020000 ~ 1029999 (Count: 10,000) Example: +81-503-1020000 / 01081-503-1020000 (0503-1020000 / 0-503-1020000) +81-503-1020001 / 01081-503-1020001 (0503-1020001 / 0-503-1020001) +81-503-1020002 / 01081-503-1020002 (0503-1020002 / 0-503-1020002) +81-503-1020003 / 01081-503-1020003 (0503-1020003 / 0-503-1020003) +81-503-1020004 / 01081-503-1020004 (0503-1020004 / 0-503-1020004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-1029995 / 01081-503-1029995 (0503-1029995 / 0-503-1029995) +81-503-1029996 / 01081-503-1029996 (0503-1029996 / 0-503-1029996) +81-503-1029997 / 01081-503-1029997 (0503-1029997 / 0-503-1029997) +81-503-1029998 / 01081-503-1029998 (0503-1029998 / 0-503-1029998) +81-503-1029999 / 01081-503-1029999 (0503-1029999 / 0-503-1029999)
