Area Code +81-503-(5230000...5239999) 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 : 5230000 Subscriber Number To : 5239999 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-(5220000...5229999) next › : +81-503-(5240000...5249999) Dialling Instructions For trunk calls: 0 503 5230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 5230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5230000 ~ 5239999 (Count: 10,000) Example: +81-503-5230000 / 01081-503-5230000 (0503-5230000 / 0-503-5230000) +81-503-5230001 / 01081-503-5230001 (0503-5230001 / 0-503-5230001) +81-503-5230002 / 01081-503-5230002 (0503-5230002 / 0-503-5230002) +81-503-5230003 / 01081-503-5230003 (0503-5230003 / 0-503-5230003) +81-503-5230004 / 01081-503-5230004 (0503-5230004 / 0-503-5230004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-5239995 / 01081-503-5239995 (0503-5239995 / 0-503-5239995) +81-503-5239996 / 01081-503-5239996 (0503-5239996 / 0-503-5239996) +81-503-5239997 / 01081-503-5239997 (0503-5239997 / 0-503-5239997) +81-503-5239998 / 01081-503-5239998 (0503-5239998 / 0-503-5239998) +81-503-5239999 / 01081-503-5239999 (0503-5239999 / 0-503-5239999)
