City · Iowa · United States

Dubuque, IA — ZIP codes

5 ZIP codes · Dubuque County

City: Dubuque
County: Dubuque
State: Iowa
Country: United States
Postal codes: 5200152002520035200452099
Single source
Coordinates: 42.5150, -90.6819 View on OpenStreetMap

ZIP codes (5)

Postal code	Place name	Verification
52001	Dubuque	Single source
52002	Dubuque	Single source
52003	Dubuque	Single source
52004	Dubuque	Single source
52099	Dubuque	Single source

Sources and verification

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Last generated : 2026-08-21. Report an error.