There is one unique ZIP code in Dyer, Indiana and it is 46311. Area code: 219.
1
ZIP codes
12.60
sq mi land
0.00
sq mi water
219
area code
Dyer, IN ZIP code map
About Dyer, IN
Dyer, Indiana, is a charming city located in Lake County. With its rich community spirit and well-planned neighborhoods, Dyer offers a suburban feel while being close to the urban amenities of nearby cities. It provides residents with a small-town atmosphere, combined with easy access to various recreational and cultural opportunities.
Location & geography
Dyer is situated in the northwestern part of Indiana, approximately 30 miles southeast of downtown Chicago. The city is bordered by several other communities, including Munster to the north, Schererville to the east, and Crown Point to the south, making it part of the vibrant Northwest Indiana region. The total land area of Dyer is roughly 12.60 square miles, and interestingly, it has no water area.
Community & economy
The character of Dyer is defined by its friendly residents and a strong sense of community, making it a great place for families and individuals alike. The local economy is diverse, with industries ranging from retail and services to manufacturing, providing a variety of job opportunities for locals. Daily life in Dyer is enhanced by well-maintained parks, local schools, and community events that foster neighborhood connections.
Transportation
Dyer is conveniently served by major highways, including U.S. Route 30 and Interstate 65, allowing for easy commuting to Chicago and other cities within Indiana. The nearest airport is the Gary/Chicago International Airport, which is about 20 minutes away, providing residents with access to air travel. Public transportation options are also available, ensuring connectivity within the region.
History
Dyer was founded in the late 19th century and has grown significantly over the years as a suburban community. The city’s growth has been influenced by its proximity to Chicago, which has brought various industries to the area, enhancing its economic development. Notable events in its history include the establishment of several parks and recreational facilities that serve as community hubs.
Did you know?
One interesting fact about Dyer is that it is home to the historical Church of the Holy Spirit, which reflects the city’s rich cultural heritage. Additionally, Dyer hosts a variety of community events throughout the year, bringing together residents and fostering a strong sense of belonging.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Dyer, IN?
Dyer, IN has one ZIP code: 46311.
What is the main ZIP code for Dyer, IN?
The primary ZIP code for Dyer, IN is 46311. The city uses area code 219 for phone service.
What county is Dyer, IN in?
Dyer is located in Lake County, Indiana.
How many ZIP codes are in Dyer, IN?
Dyer, IN has 1 ZIP code.
What ZIP code should I use for mailing packages to businesses in downtown Dyer, Indiana?
Downtown Dyer and all commercial areas in the city use the ZIP code 46311, which is the sole ZIP code serving Dyer in Lake County.
What is the ZIP code for residential areas near the Dyer Town Hall and community center?
Residential neighborhoods around Dyer's municipal center and town facilities are located in ZIP code 46311, the only ZIP code that covers the entire city of Dyer, Indiana.
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