Area Code +81-503-(4440000...4449999) 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 : 4440000 Subscriber Number To : 4449999 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-(4430000...4439999) next › : +81-503-(4450000...4459999) Dialling Instructions For trunk calls: 0 503 4440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 4440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4440000 ~ 4449999 (Count: 10,000) Example: +81-503-4440000 / 01081-503-4440000 (0503-4440000 / 0-503-4440000) +81-503-4440001 / 01081-503-4440001 (0503-4440001 / 0-503-4440001) +81-503-4440002 / 01081-503-4440002 (0503-4440002 / 0-503-4440002) +81-503-4440003 / 01081-503-4440003 (0503-4440003 / 0-503-4440003) +81-503-4440004 / 01081-503-4440004 (0503-4440004 / 0-503-4440004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-4449995 / 01081-503-4449995 (0503-4449995 / 0-503-4449995) +81-503-4449996 / 01081-503-4449996 (0503-4449996 / 0-503-4449996) +81-503-4449997 / 01081-503-4449997 (0503-4449997 / 0-503-4449997) +81-503-4449998 / 01081-503-4449998 (0503-4449998 / 0-503-4449998) +81-503-4449999 / 01081-503-4449999 (0503-4449999 / 0-503-4449999)
