There is one unique ZIP code in Hartford, Illinois and it is 62048. Area code: 618.
1
ZIP codes
17.21
sq mi land
6.04
sq mi water
618
area code
Hartford, IL ZIP code map
About Hartford, IL
Hartford, Illinois, is a small city located in Madison County, known for its unique blend of suburban charm and industrial history. As a part of the St. Louis metropolitan area, Hartford offers a distinctive community vibe that attracts visitors and residents alike. Its strategic location near major highways makes it a convenient place for those commuting to nearby cities while enjoying a quieter lifestyle.
Location & geography
Hartford covers a total land area of 17.21 square miles and has a water area of 6.04 square miles, providing a mix of urban and natural environments. The city is situated approximately 18 miles northeast of St. Louis, Missouri, and is bordered by cities like Collinsville to the east, like Wood River to the north, and both Edwardsville and Roxana nearby. The diverse terrain includes open lands and waterways that contribute to its scenic beauty and local recreation.
Community & economy
Hartford boasts a close-knit community where residents value local traditions and neighborly connections. The city is home to a range of industries, including manufacturing and service-oriented businesses, which provide employment opportunities for its inhabitants. Daily life in Hartford reflects a blend of small-town atmosphere with accessibility to larger urban amenities and activities.
Transportation
Transportation in Hartford is facilitated by several major highways, including Interstate 55 and Interstate 70, making it easy to travel to nearby cities and attractions. The nearest commercial airport is the Lambert-St. Louis International Airport, located approximately 20 miles to the southwest. Public transit options are limited, so many residents rely on personal vehicles for commuting.
History
Founded in the early 20th century, Hartford has a rich industrial heritage that contributed to its growth and development within Madison County. Over the years, the city has seen several key industries emerge, particularly in manufacturing and transportation. Notable events in Hartford's history include its connection to the development of nearby industrial centers and infrastructure expansion through the mid to late 1900s.
Did you know?
One surprising fact about Hartford, IL, is that it remains home to several historic sites that reflect its industrial past. The city’s location near the confluence of major highways also makes it a convenient stop for travelers heading into the St. Louis region.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Hartford, IL?
Hartford, IL has one ZIP code: 62048.
What is the main ZIP code for Hartford, IL?
The primary ZIP code for Hartford, IL is 62048. The city uses area code 618 for phone service.
What county is Hartford, IL in?
Hartford is located in Madison County, Illinois.
How many ZIP codes are in Hartford, IL?
Hartford, IL has 1 ZIP code.
What is the ZIP code for downtown Hartford, Illinois in Madison County?
Downtown Hartford, Illinois is located in ZIP code 62048, which serves the central business district and historic areas of this Madison County community.
If I'm mailing a package to a business in Hartford, Illinois, what ZIP code should I use?
All mail destined for Hartford, Illinois should use the ZIP code 62048, as it is the only ZIP code serving the entire city.
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