Area Code +81-257-(540000...549999) located in Tokamachi, 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 : 540000 Subscriber Number To : 549999 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 : Tohoku Intelligent Communications 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 : Tokamachi Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.1300 Longitude : 138.7600 ‹ previous : +81-257-(530000...539999) next › : +81-257-(550000...559999) Dialling Instructions For trunk calls: 0 257 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 257 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +81-257-540000 / 01081-257-540000 (0257-540000 / 0-257-540000) +81-257-540001 / 01081-257-540001 (0257-540001 / 0-257-540001) +81-257-540002 / 01081-257-540002 (0257-540002 / 0-257-540002) +81-257-540003 / 01081-257-540003 (0257-540003 / 0-257-540003) +81-257-540004 / 01081-257-540004 (0257-540004 / 0-257-540004) ...+81-257-xxxxxx / 01081-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+81-257-549995 / 01081-257-549995 (0257-549995 / 0-257-549995) +81-257-549996 / 01081-257-549996 (0257-549996 / 0-257-549996) +81-257-549997 / 01081-257-549997 (0257-549997 / 0-257-549997) +81-257-549998 / 01081-257-549998 (0257-549998 / 0-257-549998) +81-257-549999 / 01081-257-549999 (0257-549999 / 0-257-549999)
