Area Code +81-503-(1820000...1829999) 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 : 1820000 Subscriber Number To : 1829999 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-(1810000...1819999) next › : +81-503-(1830000...1839999) Dialling Instructions For trunk calls: 0 503 1820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 1820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1820000 ~ 1829999 (Count: 10,000) Example: +81-503-1820000 / 01081-503-1820000 (0503-1820000 / 0-503-1820000) +81-503-1820001 / 01081-503-1820001 (0503-1820001 / 0-503-1820001) +81-503-1820002 / 01081-503-1820002 (0503-1820002 / 0-503-1820002) +81-503-1820003 / 01081-503-1820003 (0503-1820003 / 0-503-1820003) +81-503-1820004 / 01081-503-1820004 (0503-1820004 / 0-503-1820004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-1829995 / 01081-503-1829995 (0503-1829995 / 0-503-1829995) +81-503-1829996 / 01081-503-1829996 (0503-1829996 / 0-503-1829996) +81-503-1829997 / 01081-503-1829997 (0503-1829997 / 0-503-1829997) +81-503-1829998 / 01081-503-1829998 (0503-1829998 / 0-503-1829998) +81-503-1829999 / 01081-503-1829999 (0503-1829999 / 0-503-1829999)
