Area Code +81-503-(3580000...3589999) 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 : 3580000 Subscriber Number To : 3589999 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-(3570000...3579999) next › : +81-503-(3590000...3599999) Dialling Instructions For trunk calls: 0 503 3580000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 3580000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3580000 ~ 3589999 (Count: 10,000) Example: +81-503-3580000 / 01081-503-3580000 (0503-3580000 / 0-503-3580000) +81-503-3580001 / 01081-503-3580001 (0503-3580001 / 0-503-3580001) +81-503-3580002 / 01081-503-3580002 (0503-3580002 / 0-503-3580002) +81-503-3580003 / 01081-503-3580003 (0503-3580003 / 0-503-3580003) +81-503-3580004 / 01081-503-3580004 (0503-3580004 / 0-503-3580004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-3589995 / 01081-503-3589995 (0503-3589995 / 0-503-3589995) +81-503-3589996 / 01081-503-3589996 (0503-3589996 / 0-503-3589996) +81-503-3589997 / 01081-503-3589997 (0503-3589997 / 0-503-3589997) +81-503-3589998 / 01081-503-3589998 (0503-3589998 / 0-503-3589998) +81-503-3589999 / 01081-503-3589999 (0503-3589999 / 0-503-3589999)
