Area Code +81-158-(680000...689999) 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 : 680000 Subscriber Number To : 689999 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-(670000...679999) next › : +81-158-(690000...699999) Dialling Instructions For trunk calls: 0 158 680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 158 680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 680000 ~ 689999 (Count: 10,000) Example: +81-158-680000 / 01081-158-680000 (0158-680000 / 0-158-680000) +81-158-680001 / 01081-158-680001 (0158-680001 / 0-158-680001) +81-158-680002 / 01081-158-680002 (0158-680002 / 0-158-680002) +81-158-680003 / 01081-158-680003 (0158-680003 / 0-158-680003) +81-158-680004 / 01081-158-680004 (0158-680004 / 0-158-680004) ...+81-158-xxxxxx / 01081-158-xxxxxx (0158-xxxxxx / 0-158-xxxxxx) ...+81-158-689995 / 01081-158-689995 (0158-689995 / 0-158-689995) +81-158-689996 / 01081-158-689996 (0158-689996 / 0-158-689996) +81-158-689997 / 01081-158-689997 (0158-689997 / 0-158-689997) +81-158-689998 / 01081-158-689998 (0158-689998 / 0-158-689998) +81-158-689999 / 01081-158-689999 (0158-689999 / 0-158-689999)