Area Code +81-503-(6510000...6519999) 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 : 6510000 Subscriber Number To : 6519999 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-(6500000...6509999) next › : +81-503-(6520000...6529999) Dialling Instructions For trunk calls: 0 503 6510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 6510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6510000 ~ 6519999 (Count: 10,000) Example: +81-503-6510000 / 01081-503-6510000 (0503-6510000 / 0-503-6510000) +81-503-6510001 / 01081-503-6510001 (0503-6510001 / 0-503-6510001) +81-503-6510002 / 01081-503-6510002 (0503-6510002 / 0-503-6510002) +81-503-6510003 / 01081-503-6510003 (0503-6510003 / 0-503-6510003) +81-503-6510004 / 01081-503-6510004 (0503-6510004 / 0-503-6510004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-6519995 / 01081-503-6519995 (0503-6519995 / 0-503-6519995) +81-503-6519996 / 01081-503-6519996 (0503-6519996 / 0-503-6519996) +81-503-6519997 / 01081-503-6519997 (0503-6519997 / 0-503-6519997) +81-503-6519998 / 01081-503-6519998 (0503-6519998 / 0-503-6519998) +81-503-6519999 / 01081-503-6519999 (0503-6519999 / 0-503-6519999)
