Area Code +81-485-(390000...399999) 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 : 390000 Subscriber Number To : 399999 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-(380000...389999) next › : +81-485-(400000...409999) Dialling Instructions For trunk calls: 0 485 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 485 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +81-485-390000 / 01081-485-390000 (0485-390000 / 0-485-390000) +81-485-390001 / 01081-485-390001 (0485-390001 / 0-485-390001) +81-485-390002 / 01081-485-390002 (0485-390002 / 0-485-390002) +81-485-390003 / 01081-485-390003 (0485-390003 / 0-485-390003) +81-485-390004 / 01081-485-390004 (0485-390004 / 0-485-390004) ...+81-485-xxxxxx / 01081-485-xxxxxx (0485-xxxxxx / 0-485-xxxxxx) ...+81-485-399995 / 01081-485-399995 (0485-399995 / 0-485-399995) +81-485-399996 / 01081-485-399996 (0485-399996 / 0-485-399996) +81-485-399997 / 01081-485-399997 (0485-399997 / 0-485-399997) +81-485-399998 / 01081-485-399998 (0485-399998 / 0-485-399998) +81-485-399999 / 01081-485-399999 (0485-399999 / 0-485-399999)