Area Code +81-166-(300000...309999) located in Asahikawa, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 166 Subscriber Number From : 300000 Subscriber Number To : 309999 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 Communications 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 : Asahikawa Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.7700 Longitude : 142.3600 ‹ previous : +81-166-(290000...299999) next › : +81-166-(310000...319999) Dialling Instructions For trunk calls: 0 166 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 166 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +81-166-300000 / 01081-166-300000 (0166-300000 / 0-166-300000) +81-166-300001 / 01081-166-300001 (0166-300001 / 0-166-300001) +81-166-300002 / 01081-166-300002 (0166-300002 / 0-166-300002) +81-166-300003 / 01081-166-300003 (0166-300003 / 0-166-300003) +81-166-300004 / 01081-166-300004 (0166-300004 / 0-166-300004) ...+81-166-xxxxxx / 01081-166-xxxxxx (0166-xxxxxx / 0-166-xxxxxx) ...+81-166-309995 / 01081-166-309995 (0166-309995 / 0-166-309995) +81-166-309996 / 01081-166-309996 (0166-309996 / 0-166-309996) +81-166-309997 / 01081-166-309997 (0166-309997 / 0-166-309997) +81-166-309998 / 01081-166-309998 (0166-309998 / 0-166-309998) +81-166-309999 / 01081-166-309999 (0166-309999 / 0-166-309999)