There is one unique ZIP code in Simpson, Illinois and it is 62985. Area code: 618.
1
ZIP codes
74.41
sq mi land
0.54
sq mi water
618
area code
Simpson, IL ZIP code map
About Simpson, IL
Simpson, Illinois, is a small community located in Johnson County. This charming town features a rural atmosphere, perfect for those seeking a peaceful lifestyle. Residents enjoy easy access to the natural beauty of southern Illinois, making it an inviting place to call home.
Location & geography
Simpson lies in the southern region of Illinois, surrounded by a picturesque landscape featuring rolling hills and dense woodlands. It is approximately 10 miles from the city of Vienna and about 25 miles from the larger town of Carbondale. The area covers 74.41 square miles of land and includes 0.54 square miles of water, offering a blend of rural and aquatic environments.
Community & economy
The character of Simpson is defined by its tight-knit community, where residents take pride in their small-town charm. Local industries primarily revolve around agriculture and small businesses that contribute to the daily life of its inhabitants. Community events and gatherings foster a strong sense of belonging and connection among its residents.
Transportation
Simpson is conveniently located near major highways, including U.S. Route 45, providing easy access to surrounding areas. The nearest airport serving the region is the Williamson County Regional Airport, located about 30 miles away. Public transit options are limited, making personal vehicles the primary mode of transportation for residents.
History
Simpson was established as a small community focused on agriculture, reflecting the rural traditions of southern Illinois. Over the years, key industries have included farming and local businesses that support the town's economy. Notable events in its history include community festivals that celebrate the local culture and heritage.
Did you know?
One surprising fact about Simpson is that it has a rich natural landscape with opportunities for outdoor activities like hiking and fishing. Despite its small size, the town has a strong sense of community, fostering relationships that enhance its charm.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Simpson, IL?
Simpson, IL has one ZIP code: 62985.
What is the main ZIP code for Simpson, IL?
The primary ZIP code for Simpson, IL is 62985. The city uses area code 618 for phone service.
What county is Simpson, IL in?
Simpson is located in Johnson County, Illinois.
How many ZIP codes are in Simpson, IL?
Simpson, IL has 1 ZIP code.
What is the ZIP code for Simpson's downtown area in Johnson County?
Simpson's downtown area is located in ZIP code 62985, which serves the entire city of Simpson, Illinois.
What ZIP code should I use when mailing packages to businesses in Simpson, IL?
All businesses and residential addresses in Simpson, Illinois use the ZIP code 62985, which is the only ZIP code serving this Johnson County community.
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