Area Code +81-166-(870000...879999) 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 : 870000 Subscriber Number To : 879999 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 : 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-(860000...869999) next › : +81-166-(890000...899999) Dialling Instructions For trunk calls: 0 166 870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 166 870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 870000 ~ 879999 (Count: 10,000) Example: +81-166-870000 / 01081-166-870000 (0166-870000 / 0-166-870000) +81-166-870001 / 01081-166-870001 (0166-870001 / 0-166-870001) +81-166-870002 / 01081-166-870002 (0166-870002 / 0-166-870002) +81-166-870003 / 01081-166-870003 (0166-870003 / 0-166-870003) +81-166-870004 / 01081-166-870004 (0166-870004 / 0-166-870004) ...+81-166-xxxxxx / 01081-166-xxxxxx (0166-xxxxxx / 0-166-xxxxxx) ...+81-166-879995 / 01081-166-879995 (0166-879995 / 0-166-879995) +81-166-879996 / 01081-166-879996 (0166-879996 / 0-166-879996) +81-166-879997 / 01081-166-879997 (0166-879997 / 0-166-879997) +81-166-879998 / 01081-166-879998 (0166-879998 / 0-166-879998) +81-166-879999 / 01081-166-879999 (0166-879999 / 0-166-879999)