ZIP Code 55921 – Caledonia, MN
Caledonia, Minnesota · Houston County · Central time
| ZIP code | 55921 |
|---|---|
| City | Caledonia |
| State | Minnesota |
| County | Houston County |
| Population | 4,659 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 175.18 sq mi |
| Center (lat, long) | 43.6204, -91.4758 |
Area codes in this area
These are the area codes that most often serve ZIP 55921 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 55921
ZIP code 55921 is assigned to Caledonia, Minnesota. It lies in Houston County. Its Census area covers about 175.18 square miles of land. The closest neighboring ZIP is 55919 (Brownsville), about 8.8 miles away.
Every address in 55921 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources