Area Code +81-503-(4570000...4579999) 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 : 4570000 Subscriber Number To : 4579999 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-(4560000...4569999) next › : +81-503-(4580000...4589999) Dialling Instructions For trunk calls: 0 503 4570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 4570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4570000 ~ 4579999 (Count: 10,000) Example: +81-503-4570000 / 01081-503-4570000 (0503-4570000 / 0-503-4570000) +81-503-4570001 / 01081-503-4570001 (0503-4570001 / 0-503-4570001) +81-503-4570002 / 01081-503-4570002 (0503-4570002 / 0-503-4570002) +81-503-4570003 / 01081-503-4570003 (0503-4570003 / 0-503-4570003) +81-503-4570004 / 01081-503-4570004 (0503-4570004 / 0-503-4570004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-4579995 / 01081-503-4579995 (0503-4579995 / 0-503-4579995) +81-503-4579996 / 01081-503-4579996 (0503-4579996 / 0-503-4579996) +81-503-4579997 / 01081-503-4579997 (0503-4579997 / 0-503-4579997) +81-503-4579998 / 01081-503-4579998 (0503-4579998 / 0-503-4579998) +81-503-4579999 / 01081-503-4579999 (0503-4579999 / 0-503-4579999)
