Area Code +81-503-(1830000...1839999) 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 : 1830000 Subscriber Number To : 1839999 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 : KDDI 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-(1820000...1829999) next › : +81-503-(1840000...1849999) Dialling Instructions For trunk calls: 0 503 1830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 1830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1830000 ~ 1839999 (Count: 10,000) Example: +81-503-1830000 / 01081-503-1830000 (0503-1830000 / 0-503-1830000) +81-503-1830001 / 01081-503-1830001 (0503-1830001 / 0-503-1830001) +81-503-1830002 / 01081-503-1830002 (0503-1830002 / 0-503-1830002) +81-503-1830003 / 01081-503-1830003 (0503-1830003 / 0-503-1830003) +81-503-1830004 / 01081-503-1830004 (0503-1830004 / 0-503-1830004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-1839995 / 01081-503-1839995 (0503-1839995 / 0-503-1839995) +81-503-1839996 / 01081-503-1839996 (0503-1839996 / 0-503-1839996) +81-503-1839997 / 01081-503-1839997 (0503-1839997 / 0-503-1839997) +81-503-1839998 / 01081-503-1839998 (0503-1839998 / 0-503-1839998) +81-503-1839999 / 01081-503-1839999 (0503-1839999 / 0-503-1839999)
