Area Code +81-503-(2220000...2229999) 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 : 2220000 Subscriber Number To : 2229999 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-(2210000...2219999) next › : +81-503-(2230000...2239999) Dialling Instructions For trunk calls: 0 503 2220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 2220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2220000 ~ 2229999 (Count: 10,000) Example: +81-503-2220000 / 01081-503-2220000 (0503-2220000 / 0-503-2220000) +81-503-2220001 / 01081-503-2220001 (0503-2220001 / 0-503-2220001) +81-503-2220002 / 01081-503-2220002 (0503-2220002 / 0-503-2220002) +81-503-2220003 / 01081-503-2220003 (0503-2220003 / 0-503-2220003) +81-503-2220004 / 01081-503-2220004 (0503-2220004 / 0-503-2220004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-2229995 / 01081-503-2229995 (0503-2229995 / 0-503-2229995) +81-503-2229996 / 01081-503-2229996 (0503-2229996 / 0-503-2229996) +81-503-2229997 / 01081-503-2229997 (0503-2229997 / 0-503-2229997) +81-503-2229998 / 01081-503-2229998 (0503-2229998 / 0-503-2229998) +81-503-2229999 / 01081-503-2229999 (0503-2229999 / 0-503-2229999)