There is one unique ZIP code in Festus, Missouri and it is 63028. Area code: 636.
1
ZIP codes
125.79
sq mi land
1.79
sq mi water
636
area code
Festus, MO ZIP code map
About Festus, MO
Festus, Missouri is a welcoming city located in Jefferson County, situated in the eastern part of the state along the Mississippi River corridor. Served by a single ZIP code, 63028, Festus is a well-established community that blends small-town charm with convenient access to the greater St. Louis metropolitan area. The city is part of a tight-knit regional cluster often referenced alongside its neighbor Crystal City, and together they form a significant hub of activity in Jefferson County.
Location & geography
Festus is located in Jefferson County in east-central Missouri, approximately 30 miles south of downtown St. Louis along the Interstate 55 corridor. Nearby cities include Arnold to the north, Festus's twin city of Crystal City directly adjacent, De Soto to the southwest, and Herculaneum to the northeast along the Mississippi River. The city covers a total land area of 125.79 square miles and 1.79 square miles of water area, with terrain that includes rolling hills characteristic of the Ozark border region and access to waterways that feed toward the Mississippi.
Community & economy
Festus has a strong community identity rooted in its working-class heritage and family-oriented neighborhoods, with residents who take pride in local schools, parks, and civic events throughout the year. The local economy draws from a mix of retail, healthcare, light manufacturing, and service industries, with Highway 61 and nearby Interstate 55 supporting a robust commercial corridor. Daily life in Festus revolves around community gathering spots, local dining along Missouri Highway 61, and seasonal events that reflect the city's deep Missouri roots.
Transportation
Festus is well connected by Interstate 55, which runs north toward St. Louis and south toward Cape Girardeau, making it a convenient stop along one of Missouri's most traveled corridors. U.S. Highway 61, a historic route also known locally as the "Great River Road," passes through the area and provides additional north-south connectivity through Jefferson County. The nearest major commercial airport is St. Louis Lambert International Airport, located roughly 40 miles to the north, offering residents full domestic and international travel access.
History
Festus was established in the 19th century and developed significantly around the glass manufacturing industry, which brought employment and growth to Jefferson County during the late 1800s and early 1900s. The nearby PPG Industries glass plant, one of the region's most historically significant industrial facilities, has long been associated with the Crystal City and Festus area and helped shape the economic identity of the community. Over the decades, Festus grew from an industrial town into a broader suburban community while retaining its historical character and strong sense of local heritage.
Did you know?
One little-known fact about Festus is that its name is believed to have originated from a biblical reference, making it one of the more unusually named cities in Jefferson County and a point of local curiosity. Despite its modest size, Festus serves as one of Jefferson County's primary commercial centers, drawing shoppers and businesses from a wide surrounding region.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Festus, MO?
Festus, MO has one ZIP code: 63028.
What is the main ZIP code for Festus, MO?
The primary ZIP code for Festus, MO is 63028. The city uses area code 636 for phone service.
What county is Festus, MO in?
Festus is located in Jefferson County, Missouri.
How many ZIP codes are in Festus, MO?
Festus, MO has 1 ZIP code.
What ZIP code covers the downtown Festus area near the historic Main Street district?
Downtown Festus and the Main Street area are located in ZIP code 63028, which serves as the primary postal code for the city's central business district.
What is the ZIP code for the Festus riverfront area along the Meramec River?
The Festus riverfront and waterfront properties along the Meramec River are served by ZIP code 63028, which encompasses the city's river-adjacent neighborhoods.
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