Area Code +81-503-(6640000...6649999) 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 : 6640000 Subscriber Number To : 6649999 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-(6630000...6639999) next › : +81-503-(6650000...6659999) Dialling Instructions For trunk calls: 0 503 6640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 6640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6640000 ~ 6649999 (Count: 10,000) Example: +81-503-6640000 / 01081-503-6640000 (0503-6640000 / 0-503-6640000) +81-503-6640001 / 01081-503-6640001 (0503-6640001 / 0-503-6640001) +81-503-6640002 / 01081-503-6640002 (0503-6640002 / 0-503-6640002) +81-503-6640003 / 01081-503-6640003 (0503-6640003 / 0-503-6640003) +81-503-6640004 / 01081-503-6640004 (0503-6640004 / 0-503-6640004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-6649995 / 01081-503-6649995 (0503-6649995 / 0-503-6649995) +81-503-6649996 / 01081-503-6649996 (0503-6649996 / 0-503-6649996) +81-503-6649997 / 01081-503-6649997 (0503-6649997 / 0-503-6649997) +81-503-6649998 / 01081-503-6649998 (0503-6649998 / 0-503-6649998) +81-503-6649999 / 01081-503-6649999 (0503-6649999 / 0-503-6649999)
