This is the telephone area code for Asahikawa City, the second-largest city in Hokkaido, famous for the Asahiyama Zoo, world-class ramen, and proximity to Daisetsuzan National Park.
How to Call Asahikawa from Overseas
- Dial your country's exit code (e.g., 011 for US, 00 for UK/EU)
- Dial 81 (Japan country code)
- Dial the area code (166 - without the leading 0)
- Dial the local phone number
Example: Calling Asahikawa from Hong Kong
001 81 166 23 1111
Where:
001 = HK exit code
81 = Japan country code
166 = Asahikawa area code (0166 without the 0)
23 1111 = Local Asahikawa phone number
Quick Facts
Asahikawa & Kamikawa Coverage
The 0166 area code serves Asahikawa City and several neighboring towns in the Kamikawa Subprefecture:
Asahikawa Center
Asahikawa Station, Heiwa-dori Shopping Park, and the city government district.
Asahiyama
Eastern district home to the famous Asahiyama Zoo.
Higashikagura
Location of the Asahikawa Airport (AKJ), serving the central Hokkaido region.
Biei & Higashikawa
Neighboring towns known for rolling hills, photography, and hiking gateways.
Takasu
Agricultural town to the west sharing the 0166 prefix.
Kamikawa Town
Northeastern gateway to Sounkyo Onsen and the Daisetsuzan mountains.
Major Japan Area Codes
Common Exit Codes for Calling Japan
When calling Asahikawa from these countries, use these exit codes:
United States
011
Australia
0011
United Kingdom
00
Singapore
001
China
00
Canada
011