Find the last 4 digits (ZIP+4) for an address in 55804

ZIP 55804, Duluth, MN is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 55804 – Duluth, MN

Duluth, Minnesota · St. Louis County · Central time

ZIP code55804
CityDuluth
StateMinnesota
CountySt. Louis County
Population15,922
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area94.05 sq mi
Center (lat, long)46.9314, -91.9363

Area codes in this area

218

These are the area codes that most often serve ZIP 55804 (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

55609 Knife River · 7.4 mi55803 Duluth · 9.6 mi55812 Duluth · 10.6 mi55805 Duluth · 11.7 mi55801 Duluth · 13 mi55815 Duluth · 13 mi55816 Duluth · 13 mi55802 Duluth · 13.4 mi

About ZIP 55804

ZIP code 55804 is assigned to Duluth, Minnesota. It lies in St. Louis County. Its Census area covers about 94.05 square miles of land. The closest neighboring ZIP is 55609 (Knife River), about 7.4 miles away.

Every address in 55804 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