Area Code +81-158-(240000...249999) located in Monbetsu, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 158 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 : 01 Region Name : Hokkaido City : Monbetsu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 44.3600 Longitude : 143.3500 ‹ previous : +81-158-(230000...239999) next › : +81-158-(250000...259999) Dialling Instructions For trunk calls: 0 158 240000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 158 240000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 240000 ~ 249999 (Count: 10,000) Example: +81-158-240000 / 01081-158-240000 (0158-240000 / 0-158-240000) +81-158-240001 / 01081-158-240001 (0158-240001 / 0-158-240001) +81-158-240002 / 01081-158-240002 (0158-240002 / 0-158-240002) +81-158-240003 / 01081-158-240003 (0158-240003 / 0-158-240003) +81-158-240004 / 01081-158-240004 (0158-240004 / 0-158-240004) ...+81-158-xxxxxx / 01081-158-xxxxxx (0158-xxxxxx / 0-158-xxxxxx) ...+81-158-249995 / 01081-158-249995 (0158-249995 / 0-158-249995) +81-158-249996 / 01081-158-249996 (0158-249996 / 0-158-249996) +81-158-249997 / 01081-158-249997 (0158-249997 / 0-158-249997) +81-158-249998 / 01081-158-249998 (0158-249998 / 0-158-249998) +81-158-249999 / 01081-158-249999 (0158-249999 / 0-158-249999)