Area Code +81-257-(290000...299999) located in Kashiwazaki, Niigata (15), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 257 Subscriber Number From : 290000 Subscriber Number To : 299999 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 : 15 Region Name : Niigata City : Kashiwazaki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.3700 Longitude : 138.5600 ‹ previous : +81-257-(280000...289999) next › : +81-257-(300000...309999) Dialling Instructions For trunk calls: 0 257 290000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 257 290000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 290000 ~ 299999 (Count: 10,000) Example: +81-257-290000 / 01081-257-290000 (0257-290000 / 0-257-290000) +81-257-290001 / 01081-257-290001 (0257-290001 / 0-257-290001) +81-257-290002 / 01081-257-290002 (0257-290002 / 0-257-290002) +81-257-290003 / 01081-257-290003 (0257-290003 / 0-257-290003) +81-257-290004 / 01081-257-290004 (0257-290004 / 0-257-290004) ...+81-257-xxxxxx / 01081-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+81-257-299995 / 01081-257-299995 (0257-299995 / 0-257-299995) +81-257-299996 / 01081-257-299996 (0257-299996 / 0-257-299996) +81-257-299997 / 01081-257-299997 (0257-299997 / 0-257-299997) +81-257-299998 / 01081-257-299998 (0257-299998 / 0-257-299998) +81-257-299999 / 01081-257-299999 (0257-299999 / 0-257-299999)
