Area Code +81-158-(800000...809999) located in Okoppe, 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 : 800000 Subscriber Number To : 809999 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 : KDDI 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 : Okoppe Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 44.4700 Longitude : 143.1200 ‹ previous : +81-158-(780000...789999) next › : +81-158-(810000...819999) Dialling Instructions For trunk calls: 0 158 800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 158 800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 800000 ~ 809999 (Count: 10,000) Example: +81-158-800000 / 01081-158-800000 (0158-800000 / 0-158-800000) +81-158-800001 / 01081-158-800001 (0158-800001 / 0-158-800001) +81-158-800002 / 01081-158-800002 (0158-800002 / 0-158-800002) +81-158-800003 / 01081-158-800003 (0158-800003 / 0-158-800003) +81-158-800004 / 01081-158-800004 (0158-800004 / 0-158-800004) ...+81-158-xxxxxx / 01081-158-xxxxxx (0158-xxxxxx / 0-158-xxxxxx) ...+81-158-809995 / 01081-158-809995 (0158-809995 / 0-158-809995) +81-158-809996 / 01081-158-809996 (0158-809996 / 0-158-809996) +81-158-809997 / 01081-158-809997 (0158-809997 / 0-158-809997) +81-158-809998 / 01081-158-809998 (0158-809998 / 0-158-809998) +81-158-809999 / 01081-158-809999 (0158-809999 / 0-158-809999)