Area Code +81-158-(860000...869999) 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 : 860000 Subscriber Number To : 869999 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 : 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-(850000...859999) next › : +81-158-(870000...879999) Dialling Instructions For trunk calls: 0 158 860000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 158 860000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 860000 ~ 869999 (Count: 10,000) Example: +81-158-860000 / 01081-158-860000 (0158-860000 / 0-158-860000) +81-158-860001 / 01081-158-860001 (0158-860001 / 0-158-860001) +81-158-860002 / 01081-158-860002 (0158-860002 / 0-158-860002) +81-158-860003 / 01081-158-860003 (0158-860003 / 0-158-860003) +81-158-860004 / 01081-158-860004 (0158-860004 / 0-158-860004) ...+81-158-xxxxxx / 01081-158-xxxxxx (0158-xxxxxx / 0-158-xxxxxx) ...+81-158-869995 / 01081-158-869995 (0158-869995 / 0-158-869995) +81-158-869996 / 01081-158-869996 (0158-869996 / 0-158-869996) +81-158-869997 / 01081-158-869997 (0158-869997 / 0-158-869997) +81-158-869998 / 01081-158-869998 (0158-869998 / 0-158-869998) +81-158-869999 / 01081-158-869999 (0158-869999 / 0-158-869999)