ZIP Code 56031 – Fairmont, MN
Fairmont, Minnesota · Martin County · Central time
| ZIP code | 56031 |
|---|---|
| City | Fairmont |
| State | Minnesota |
| County | Martin County |
| Population | 11,665 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 156.31 sq mi |
| Center (lat, long) | 43.6268, -94.4623 |
Area codes in this area
These are the area codes that most often serve ZIP 56031 (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 56031
ZIP code 56031 is assigned to Fairmont, Minnesota. It lies in Martin County. Its Census area covers about 156.31 square miles of land. The closest neighboring ZIP is 56039 (Granada), about 7.4 miles away.
Every address in 56031 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