ZIP Code 56731 – Humboldt, MN
Humboldt, Minnesota · Kittson County · Central time
| ZIP code | 56731 |
|---|---|
| City | Humboldt |
| State | Minnesota |
| County | Kittson County |
| Population | 137 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 38.46 sq mi |
| Center (lat, long) | 48.9130, -97.0726 |
Area codes in this area
These are the area codes that most often serve ZIP 56731 (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 56731
ZIP code 56731 is assigned to Humboldt, Minnesota. It lies in Kittson County. Its Census area covers about 38.46 square miles of land. The closest neighboring ZIP is 56755 (Saint Vincent), about 4.4 miles away.
Every address in 56731 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