Area Code +81-158-(880000...889999) 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 : 880000 Subscriber Number To : 889999 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-(870000...879999) next › : +81-158-(890000...899999) Dialling Instructions For trunk calls: 0 158 880000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 158 880000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 880000 ~ 889999 (Count: 10,000) Example: +81-158-880000 / 01081-158-880000 (0158-880000 / 0-158-880000) +81-158-880001 / 01081-158-880001 (0158-880001 / 0-158-880001) +81-158-880002 / 01081-158-880002 (0158-880002 / 0-158-880002) +81-158-880003 / 01081-158-880003 (0158-880003 / 0-158-880003) +81-158-880004 / 01081-158-880004 (0158-880004 / 0-158-880004) ...+81-158-xxxxxx / 01081-158-xxxxxx (0158-xxxxxx / 0-158-xxxxxx) ...+81-158-889995 / 01081-158-889995 (0158-889995 / 0-158-889995) +81-158-889996 / 01081-158-889996 (0158-889996 / 0-158-889996) +81-158-889997 / 01081-158-889997 (0158-889997 / 0-158-889997) +81-158-889998 / 01081-158-889998 (0158-889998 / 0-158-889998) +81-158-889999 / 01081-158-889999 (0158-889999 / 0-158-889999)