There is one unique ZIP code in Lebanon, Illinois and it is 62254. Area code: 618.
1
ZIP codes
40.89
sq mi land
0.51
sq mi water
618
area code
Lebanon, IL ZIP code map
About Lebanon, IL
Lebanon, Illinois, is a charming city located in Saint Clair County. It offers a blend of small-town atmosphere and access to the larger metropolitan areas nearby. Known for its friendly community and welcoming residents, Lebanon is a place where history meets modern living.
Location & geography
Lebanon, IL, is strategically located approximately 25 miles east of St. Louis, Missouri, making it a convenient spot for those commuting to the city. The city is surrounded by several other communities, including O'Fallon to the northwest, Mascoutah to the east, and Collinsville to the southwest. Covering a total land area of 40.89 square miles and a water area of 0.51 square miles, Lebanon boasts a mix of residential neighborhoods and open spaces.
Community & economy
The character of Lebanon is defined by its tight-knit community and active local engagement. Many residents work in nearby cities, with opportunities in various industries such as healthcare, retail, and manufacturing contributing to the local economy. Daily life in Lebanon includes community events, access to local parks, and a focus on family-friendly activities.
Transportation
Lebanon is intersected by several major roads, including Illinois Route 4, which provides direct access to neighboring cities and the greater region. For air travel, the nearest major airport is MidAmerica St. Louis Airport, located just a few miles away. Public transportation options are limited, making personal vehicles a common mode of transit.
History
Lebanon was founded in the early 19th century and has since developed a rich historical background. Initially an agricultural community, the city later transitioned into diverse sectors, including manufacturing and retail. Notable events in its history include the development of community facilities and parks that enhance the quality of life for its residents.
Did you know?
A remarkable aspect of Lebanon is that it is home to the annual Lebanon Homecoming Festival, which showcases local talent, crafts, and cuisine. Additionally, the city is known for its historical landmarks that reflect its long-standing heritage.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Lebanon, IL?
Lebanon, IL has one ZIP code: 62254.
What is the main ZIP code for Lebanon, IL?
The primary ZIP code for Lebanon, IL is 62254. The city uses area code 618 for phone service.
What county is Lebanon, IL in?
Lebanon is located in Saint Clair County, Illinois.
How many ZIP codes are in Lebanon, IL?
Lebanon, IL has 1 ZIP code.
What is the ZIP code for downtown Lebanon, Illinois?
Downtown Lebanon, Illinois is located in ZIP code 62254, which serves as the primary commercial and civic center of this small Saint Clair County community.
What ZIP code covers Lebanon High School and the main residential areas of Lebanon, IL?
Lebanon High School and the surrounding residential neighborhoods of Lebanon, Illinois are all served by ZIP code 62254, the city's single ZIP code.
Need the complete Illinois ZIP code database?Download all IL ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.