Find the last 4 digits (ZIP+4) for an address in 52003

ZIP 52003, Dubuque, IA is filled in. Just type the street address.

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ZIP Code 52003 – Dubuque, IA

Dubuque, Iowa · Dubuque County · Central time

ZIP code52003
CityDubuque
StateIowa
CountyDubuque County
Population13,796
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area56.37 sq mi
Center (lat, long)42.4307, -90.6697

Area codes in this area

563

These are the area codes that most often serve ZIP 52003 (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

52004 Dubuque · 4.8 mi52099 Dubuque · 4.8 mi61025 East Dubuque · 6.4 mi52068 Peosta · 7.2 mi52071 Saint Donatus · 8 mi52001 Dubuque · 8.2 mi52002 Dubuque · 8.3 mi52054 La Motte · 8.9 mi

About ZIP 52003

ZIP code 52003 is assigned to Dubuque, Iowa. It lies in Dubuque County. Its Census area covers about 56.37 square miles of land. The closest neighboring ZIP is 52004 (Dubuque), about 4.8 miles away.

Every address in 52003 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