Area Code +81-503-(5010000...5019999) 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 : 5010000 Subscriber Number To : 5019999 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-(5000000...5009999) next › : +81-503-(5020000...5029999) Dialling Instructions For trunk calls: 0 503 5010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 5010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5010000 ~ 5019999 (Count: 10,000) Example: +81-503-5010000 / 01081-503-5010000 (0503-5010000 / 0-503-5010000) +81-503-5010001 / 01081-503-5010001 (0503-5010001 / 0-503-5010001) +81-503-5010002 / 01081-503-5010002 (0503-5010002 / 0-503-5010002) +81-503-5010003 / 01081-503-5010003 (0503-5010003 / 0-503-5010003) +81-503-5010004 / 01081-503-5010004 (0503-5010004 / 0-503-5010004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-5019995 / 01081-503-5019995 (0503-5019995 / 0-503-5019995) +81-503-5019996 / 01081-503-5019996 (0503-5019996 / 0-503-5019996) +81-503-5019997 / 01081-503-5019997 (0503-5019997 / 0-503-5019997) +81-503-5019998 / 01081-503-5019998 (0503-5019998 / 0-503-5019998) +81-503-5019999 / 01081-503-5019999 (0503-5019999 / 0-503-5019999)
