Columbia County, Wisconsin
13 ZIP codes · 765.6 sq mi of land · FIPS 55021
| Population | 58,272 |
|---|---|
| State | Wisconsin |
| FIPS code | 55021 |
| Time zone | Central |
| Land area | 765.6 sq mi |
| Center (lat, long) | 43.4719, -89.3305 |
Area codes in this area
These are the area codes that most often serve Columbia County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
LodiPortageArlingtonCambriaColumbusDoylestownFall RiverFrieslandPardeevillePoynetteRandolphRioWyocena
ZIP codes in Columbia County
53555 Lodi53901 Portage53911 Arlington53923 Cambria53925 Columbus53928 Doylestown53932 Fall River53935 Friesland53954 Pardeeville53955 Poynette53956 Randolph53960 Rio53969 Wyocena
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.