Area Code +81-485-(370000...379999) located in Kumagaya, Saitama (11), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 485 Subscriber Number From : 370000 Subscriber Number To : 379999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : NTT East Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 11 Region Name : Saitama City : Kumagaya Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.1500 Longitude : 139.3900 ‹ previous : +81-485-(360000...369999) next › : +81-485-(380000...389999) Dialling Instructions For trunk calls: 0 485 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 485 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +81-485-370000 / 01081-485-370000 (0485-370000 / 0-485-370000) +81-485-370001 / 01081-485-370001 (0485-370001 / 0-485-370001) +81-485-370002 / 01081-485-370002 (0485-370002 / 0-485-370002) +81-485-370003 / 01081-485-370003 (0485-370003 / 0-485-370003) +81-485-370004 / 01081-485-370004 (0485-370004 / 0-485-370004) ...+81-485-xxxxxx / 01081-485-xxxxxx (0485-xxxxxx / 0-485-xxxxxx) ...+81-485-379995 / 01081-485-379995 (0485-379995 / 0-485-379995) +81-485-379996 / 01081-485-379996 (0485-379996 / 0-485-379996) +81-485-379997 / 01081-485-379997 (0485-379997 / 0-485-379997) +81-485-379998 / 01081-485-379998 (0485-379998 / 0-485-379998) +81-485-379999 / 01081-485-379999 (0485-379999 / 0-485-379999)