Area Code +81-257-(250000...259999) 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 : 250000 Subscriber Number To : 259999 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-(240000...249999) next › : +81-257-(260000...269999) Dialling Instructions For trunk calls: 0 257 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 257 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 259999 (Count: 10,000) Example: +81-257-250000 / 01081-257-250000 (0257-250000 / 0-257-250000) +81-257-250001 / 01081-257-250001 (0257-250001 / 0-257-250001) +81-257-250002 / 01081-257-250002 (0257-250002 / 0-257-250002) +81-257-250003 / 01081-257-250003 (0257-250003 / 0-257-250003) +81-257-250004 / 01081-257-250004 (0257-250004 / 0-257-250004) ...+81-257-xxxxxx / 01081-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+81-257-259995 / 01081-257-259995 (0257-259995 / 0-257-259995) +81-257-259996 / 01081-257-259996 (0257-259996 / 0-257-259996) +81-257-259997 / 01081-257-259997 (0257-259997 / 0-257-259997) +81-257-259998 / 01081-257-259998 (0257-259998 / 0-257-259998) +81-257-259999 / 01081-257-259999 (0257-259999 / 0-257-259999)
