Area Code +81-503-(4400000...4409999) 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 : 4400000 Subscriber Number To : 4409999 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-(4390000...4399999) next › : +81-503-(4410000...4419999) Dialling Instructions For trunk calls: 0 503 4400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 4400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4400000 ~ 4409999 (Count: 10,000) Example: +81-503-4400000 / 01081-503-4400000 (0503-4400000 / 0-503-4400000) +81-503-4400001 / 01081-503-4400001 (0503-4400001 / 0-503-4400001) +81-503-4400002 / 01081-503-4400002 (0503-4400002 / 0-503-4400002) +81-503-4400003 / 01081-503-4400003 (0503-4400003 / 0-503-4400003) +81-503-4400004 / 01081-503-4400004 (0503-4400004 / 0-503-4400004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-4409995 / 01081-503-4409995 (0503-4409995 / 0-503-4409995) +81-503-4409996 / 01081-503-4409996 (0503-4409996 / 0-503-4409996) +81-503-4409997 / 01081-503-4409997 (0503-4409997 / 0-503-4409997) +81-503-4409998 / 01081-503-4409998 (0503-4409998 / 0-503-4409998) +81-503-4409999 / 01081-503-4409999 (0503-4409999 / 0-503-4409999)
