Find the last 4 digits (ZIP+4) for an address in 55803

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ZIP Code 55803 – Duluth, MN

Duluth, Minnesota · St. Louis County · Central time

ZIP code55803
CityDuluth
StateMinnesota
CountySt. Louis County
Population17,662
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area295.45 sq mi
Center (lat, long)47.0349, -92.0722

Area codes in this area

218

These are the area codes that most often serve ZIP 55803 (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

55804 Duluth · 9.6 mi55609 Knife River · 14.1 mi55814 Duluth · 15 mi55717 Canyon · 15 mi55811 Duluth · 15.3 mi55812 Duluth · 15.6 mi55805 Duluth · 16.3 mi55724 Cotton · 16.7 mi

About ZIP 55803

ZIP code 55803 is assigned to Duluth, Minnesota. It lies in St. Louis County. Its Census area covers about 295.45 square miles of land. The closest neighboring ZIP is 55804 (Duluth), about 9.6 miles away.

Every address in 55803 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