Area Code +81-258-(250000...259999) located in Nagaoka, Niigata (15), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 258 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 : Nagaoka Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.4400 Longitude : 138.8400 ‹ previous : +81-258-(240000...249999) next › : +81-258-(270000...279999) Dialling Instructions For trunk calls: 0 258 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 258 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 259999 (Count: 10,000) Example: +81-258-250000 / 01081-258-250000 (0258-250000 / 0-258-250000) +81-258-250001 / 01081-258-250001 (0258-250001 / 0-258-250001) +81-258-250002 / 01081-258-250002 (0258-250002 / 0-258-250002) +81-258-250003 / 01081-258-250003 (0258-250003 / 0-258-250003) +81-258-250004 / 01081-258-250004 (0258-250004 / 0-258-250004) ...+81-258-xxxxxx / 01081-258-xxxxxx (0258-xxxxxx / 0-258-xxxxxx) ...+81-258-259995 / 01081-258-259995 (0258-259995 / 0-258-259995) +81-258-259996 / 01081-258-259996 (0258-259996 / 0-258-259996) +81-258-259997 / 01081-258-259997 (0258-259997 / 0-258-259997) +81-258-259998 / 01081-258-259998 (0258-259998 / 0-258-259998) +81-258-259999 / 01081-258-259999 (0258-259999 / 0-258-259999)