Area Code +81-503-(6600000...6609999) 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 : 6600000 Subscriber Number To : 6609999 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-(6590000...6599999) next › : +81-503-(6610000...6619999) Dialling Instructions For trunk calls: 0 503 6600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 6600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6600000 ~ 6609999 (Count: 10,000) Example: +81-503-6600000 / 01081-503-6600000 (0503-6600000 / 0-503-6600000) +81-503-6600001 / 01081-503-6600001 (0503-6600001 / 0-503-6600001) +81-503-6600002 / 01081-503-6600002 (0503-6600002 / 0-503-6600002) +81-503-6600003 / 01081-503-6600003 (0503-6600003 / 0-503-6600003) +81-503-6600004 / 01081-503-6600004 (0503-6600004 / 0-503-6600004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-6609995 / 01081-503-6609995 (0503-6609995 / 0-503-6609995) +81-503-6609996 / 01081-503-6609996 (0503-6609996 / 0-503-6609996) +81-503-6609997 / 01081-503-6609997 (0503-6609997 / 0-503-6609997) +81-503-6609998 / 01081-503-6609998 (0503-6609998 / 0-503-6609998) +81-503-6609999 / 01081-503-6609999 (0503-6609999 / 0-503-6609999)
