Area Code +81-503-(5300000...5309999) 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 : 5300000 Subscriber Number To : 5309999 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-(5290000...5299999) next › : +81-503-(5310000...5319999) Dialling Instructions For trunk calls: 0 503 5300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 5300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5300000 ~ 5309999 (Count: 10,000) Example: +81-503-5300000 / 01081-503-5300000 (0503-5300000 / 0-503-5300000) +81-503-5300001 / 01081-503-5300001 (0503-5300001 / 0-503-5300001) +81-503-5300002 / 01081-503-5300002 (0503-5300002 / 0-503-5300002) +81-503-5300003 / 01081-503-5300003 (0503-5300003 / 0-503-5300003) +81-503-5300004 / 01081-503-5300004 (0503-5300004 / 0-503-5300004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-5309995 / 01081-503-5309995 (0503-5309995 / 0-503-5309995) +81-503-5309996 / 01081-503-5309996 (0503-5309996 / 0-503-5309996) +81-503-5309997 / 01081-503-5309997 (0503-5309997 / 0-503-5309997) +81-503-5309998 / 01081-503-5309998 (0503-5309998 / 0-503-5309998) +81-503-5309999 / 01081-503-5309999 (0503-5309999 / 0-503-5309999)
