There are 5 unique ZIP codes in Dubuque, Iowa. Area code: 563.
5
ZIP codes
111.66
sq mi land
4.98
sq mi water
563
area code
Dubuque, IA ZIP code map
About Dubuque, IA
Dubuque, IA, is a vibrant city located in the northeastern part of the state of Iowa. Nestled along the banks of the Mississippi River, Dubuque is one of Iowa's oldest cities, known for its rich history and diverse culture. The city serves as a regional hub for commerce, education, and recreation, making it a notable place in the heart of the Midwest.
Location & geography
Dubuque is situated in Dubuque County and is surrounded by picturesque landscapes, with the Mississippi River to the east. It is approximately 20 miles away from being to neighboring cities such as Galena, IL and 30 miles from Cedar Rapids, IA. Covering a total land area of 111.66 square miles and a water area of 4.98 square miles, the city features both urban development and natural beauty.
Community & economy
The character of Dubuque is marked by a strong sense of community and a commitment to preserving its historical heritage. Key industries in the area include manufacturing, healthcare, and education, providing a stable economic base for its residents. Daily life in Dubuque is enriched by local festivals, a growing arts scene, and access to outdoor recreational activities on the river and in nearby parks.
Transportation
Dubuque is connected to major highways, including U.S. Route 20 and U.S. Route 61, facilitating easy travel in and out of the city. The nearest commercial airport is Dubuque Regional Airport, which offers limited service to major destinations. Public transit services are also available within the city, enhancing accessibility for residents.
History
Founded in the 1830s, Dubuque quickly became a significant center for lead mining and river trade. The city's location along the Mississippi River made it a pivotal point for commerce and transportation in the region. Over the years, Dubuque has been the site of various notable events, including its designation as a Playful City, reflecting its dedication to children’s play and community activities.
Did you know?
A surprising fact about Dubuque is that it is home to the National Mississippi River Museum & Aquarium, which showcases the region's aquatic ecosystems and river heritage. Additionally, Dubuque is one of the few cities in Iowa with ongoing efforts toward becoming a Smart City, incorporating technology for improved urban living.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Dubuque, IA have?
Dubuque, IA has 4 ZIP codes: 52001, 52002, 52003, 52099. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Dubuque, IA?
The primary ZIP code for Dubuque, IA is 52001. The city uses area code 563 for phone service.
What county is Dubuque, IA in?
Dubuque is located in Dubuque County, Iowa.
How many ZIP codes are in Dubuque, IA?
Dubuque, IA has 4 ZIP codes.
What ZIP code covers the historic downtown Dubuque area and the Mississippi River waterfront district?
The historic downtown Dubuque area, including the riverfront and Main Street district, is primarily served by ZIP code 52001, which is the central business and cultural hub of the city.
Which ZIP code is home to the University of Dubuque campus?
The University of Dubuque campus is located in ZIP code 52001, the main central Dubuque ZIP code that encompasses much of the city's educational and downtown institutions.
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