Area Code +81-503-(4640000...4649999) 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 : 4640000 Subscriber Number To : 4649999 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-(4630000...4639999) next › : +81-503-(4650000...4659999) Dialling Instructions For trunk calls: 0 503 4640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 4640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4640000 ~ 4649999 (Count: 10,000) Example: +81-503-4640000 / 01081-503-4640000 (0503-4640000 / 0-503-4640000) +81-503-4640001 / 01081-503-4640001 (0503-4640001 / 0-503-4640001) +81-503-4640002 / 01081-503-4640002 (0503-4640002 / 0-503-4640002) +81-503-4640003 / 01081-503-4640003 (0503-4640003 / 0-503-4640003) +81-503-4640004 / 01081-503-4640004 (0503-4640004 / 0-503-4640004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-4649995 / 01081-503-4649995 (0503-4649995 / 0-503-4649995) +81-503-4649996 / 01081-503-4649996 (0503-4649996 / 0-503-4649996) +81-503-4649997 / 01081-503-4649997 (0503-4649997 / 0-503-4649997) +81-503-4649998 / 01081-503-4649998 (0503-4649998 / 0-503-4649998) +81-503-4649999 / 01081-503-4649999 (0503-4649999 / 0-503-4649999)
