Area Code +81-166-(810000...819999) 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 : 810000 Subscriber Number To : 819999 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 : 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-(760000...769999) next › : +81-166-(820000...829999) Dialling Instructions For trunk calls: 0 166 810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 166 810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 810000 ~ 819999 (Count: 10,000) Example: +81-166-810000 / 01081-166-810000 (0166-810000 / 0-166-810000) +81-166-810001 / 01081-166-810001 (0166-810001 / 0-166-810001) +81-166-810002 / 01081-166-810002 (0166-810002 / 0-166-810002) +81-166-810003 / 01081-166-810003 (0166-810003 / 0-166-810003) +81-166-810004 / 01081-166-810004 (0166-810004 / 0-166-810004) ...+81-166-xxxxxx / 01081-166-xxxxxx (0166-xxxxxx / 0-166-xxxxxx) ...+81-166-819995 / 01081-166-819995 (0166-819995 / 0-166-819995) +81-166-819996 / 01081-166-819996 (0166-819996 / 0-166-819996) +81-166-819997 / 01081-166-819997 (0166-819997 / 0-166-819997) +81-166-819998 / 01081-166-819998 (0166-819998 / 0-166-819998) +81-166-819999 / 01081-166-819999 (0166-819999 / 0-166-819999)