In which county is ZIP code 52003 located?

ZIP 52003 is listed under Dubuque, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 52003: Dubuque, IA

ZIP: 52003

County: Dubuque

Coordinates: 42.46490, -90.68290

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 52003, serving Dubuque in IA. It lies in Dubuque and supports delivery, planning, and address verification.

Primary City	Dubuque
ZIP Code	52003
County	Dubuque
State	IA
Latitude / Longitude	42.46490, -90.68290
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 52003 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 52003 are listed as 42.46490 / -90.68290, useful for GPS and service checks in and around Dubuque, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 52003 for mail delivery and general location reference in Dubuque, IA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Dubuque.

Related ZIP Codes (Nearby)

Explore other postal codes near Dubuque within IA.

Frequently Asked Questions

What is the primary city for ZIP code 52003?

The primary city for this ZIP code is Dubuque, located in IA.

In which county is 52003 located?

ZIP code 52003 is situated within Dubuque, IA.

What are the coordinates for 52003?

The approximate center point is 42.46490 (Latitude) and -90.68290 (Longitude).

Is ZIP code 52003 active?

This page lists ZIP 52003 as Listed based on the latest refresh date shown above.

Does ZIP 52003 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08