ZIP Code 55609 – Knife River, MN
Knife River, Minnesota · Lake County · Central time
| ZIP code | 55609 |
|---|---|
| City | Knife River |
| State | Minnesota |
| County | Lake County |
| Population | 131 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 2.49 sq mi |
| Center (lat, long) | 46.9665, -91.7888 |
Area codes in this area
These are the area codes that most often serve ZIP 55609 (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 55609
ZIP code 55609 is assigned to Knife River, Minnesota. It lies in Lake County. Its Census area covers about 2.49 square miles of land. The closest neighboring ZIP is 55804 (Duluth), about 7.4 miles away.
Every address in 55609 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