Area Code +81-258-(240000...249999) 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 : 240000 Subscriber Number To : 249999 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-(230000...239999) next › : +81-258-(250000...259999) Dialling Instructions For trunk calls: 0 258 240000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 258 240000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 240000 ~ 249999 (Count: 10,000) Example: +81-258-240000 / 01081-258-240000 (0258-240000 / 0-258-240000) +81-258-240001 / 01081-258-240001 (0258-240001 / 0-258-240001) +81-258-240002 / 01081-258-240002 (0258-240002 / 0-258-240002) +81-258-240003 / 01081-258-240003 (0258-240003 / 0-258-240003) +81-258-240004 / 01081-258-240004 (0258-240004 / 0-258-240004) ...+81-258-xxxxxx / 01081-258-xxxxxx (0258-xxxxxx / 0-258-xxxxxx) ...+81-258-249995 / 01081-258-249995 (0258-249995 / 0-258-249995) +81-258-249996 / 01081-258-249996 (0258-249996 / 0-258-249996) +81-258-249997 / 01081-258-249997 (0258-249997 / 0-258-249997) +81-258-249998 / 01081-258-249998 (0258-249998 / 0-258-249998) +81-258-249999 / 01081-258-249999 (0258-249999 / 0-258-249999)