Area Code +81-503-(6000000...6009999) 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 : 6000000 Subscriber Number To : 6009999 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-(5990000...5999999) next › : +81-503-(6010000...6019999) Dialling Instructions For trunk calls: 0 503 6000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 6000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6000000 ~ 6009999 (Count: 10,000) Example: +81-503-6000000 / 01081-503-6000000 (0503-6000000 / 0-503-6000000) +81-503-6000001 / 01081-503-6000001 (0503-6000001 / 0-503-6000001) +81-503-6000002 / 01081-503-6000002 (0503-6000002 / 0-503-6000002) +81-503-6000003 / 01081-503-6000003 (0503-6000003 / 0-503-6000003) +81-503-6000004 / 01081-503-6000004 (0503-6000004 / 0-503-6000004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-6009995 / 01081-503-6009995 (0503-6009995 / 0-503-6009995) +81-503-6009996 / 01081-503-6009996 (0503-6009996 / 0-503-6009996) +81-503-6009997 / 01081-503-6009997 (0503-6009997 / 0-503-6009997) +81-503-6009998 / 01081-503-6009998 (0503-6009998 / 0-503-6009998) +81-503-6009999 / 01081-503-6009999 (0503-6009999 / 0-503-6009999)
