Area Code +81-503-(5420000...5429999) 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 : 5420000 Subscriber Number To : 5429999 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-(5410000...5419999) next › : +81-503-(5430000...5439999) Dialling Instructions For trunk calls: 0 503 5420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 5420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5420000 ~ 5429999 (Count: 10,000) Example: +81-503-5420000 / 01081-503-5420000 (0503-5420000 / 0-503-5420000) +81-503-5420001 / 01081-503-5420001 (0503-5420001 / 0-503-5420001) +81-503-5420002 / 01081-503-5420002 (0503-5420002 / 0-503-5420002) +81-503-5420003 / 01081-503-5420003 (0503-5420003 / 0-503-5420003) +81-503-5420004 / 01081-503-5420004 (0503-5420004 / 0-503-5420004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-5429995 / 01081-503-5429995 (0503-5429995 / 0-503-5429995) +81-503-5429996 / 01081-503-5429996 (0503-5429996 / 0-503-5429996) +81-503-5429997 / 01081-503-5429997 (0503-5429997 / 0-503-5429997) +81-503-5429998 / 01081-503-5429998 (0503-5429998 / 0-503-5429998) +81-503-5429999 / 01081-503-5429999 (0503-5429999 / 0-503-5429999)
