Lemont zip code serves as a key identifier for residents and businesses in this Illinois community. Understanding how the code works helps with mail delivery, navigation, and local services.
Below is a quick reference for the Lemont zip code and related details that matter most in everyday use.
| Zip Code | City | County | State | Time Zone |
|---|---|---|---|---|
| 60439 | Lemont | DuPage | Illinois | Central |
History of Lemont's Mail System
Early Postal Routes
Long before digital messaging, Lemont relied on rail and road routes to move mail. The establishment of the 60439 zip code streamlined sorting and delivery for growing neighborhoods.
Modern Address Management
Today, the Lemont zip code is managed by the US Postal Service and integrated with address databases used by utilities, retailers, and local government agencies.
Neighborhoods Covered by 60439
Downtown Lemont
The historic downtown area falls fully within the 60439 zone, supporting local shops, restaurants, and civic buildings with centralized mail delivery.
Residential Developments
Subdivisions built over the last few decades, such as Marley Station and Maple Creek, are also served by the same Lemont zip code for consistent routing and billing.
Using the Lemont Zip Code Online
Shopping and Checkout
When shopping online, selecting the Lemont zip code ensures accurate shipping estimates and correct tax calculation for orders delivered to this region.
Local Search and Maps
Mapping services and local directories use the 60439 code to show nearby businesses, schools, and hospitals specific to the Lemont area.
Comparing Lemont to Nearby Areas
| Area | Zip Code | County | Key Landmarks |
|---|---|---|---|
| Lemont | 60439 | DuPage | Illinois & Michigan Canal, Argonne National Lab access |
| Romeoville | 60446 | Will | Romeoville Industrial Corridor |
| Orland Park | 60462 | Cook | Orland Park 179th Street Station |
| Bolingbrook | 60440 | Will | Grande Prairie Village, Water Gardens |
Business and Utilities
Corporate Address Requirements
Companies in Lemont use the 60439 zip code on invoices, shipping labels, and job applications to maintain professional and accurate location records.
Utility and Service Areas
Electric, gas, and water providers use the Lemont zip code to route service calls, process bills, and deploy maintenance crews efficiently.
Reliable Daily Practices
- Always double-check the 60439 code when entering addresses for shipping or services.
- Use the zip code when searching maps to find businesses and public facilities in Lemont.
- Confirm the code on official forms, tax filings, and utility setup to prevent processing delays.
- Share the correct Lemont zip code with delivery drivers and service providers for faster arrivals.
FAQ
Reader questions
What is the primary Lemont zip code for mail delivery?
The primary Lemont zip code is 60439, used for residential, commercial, and government mail routing within the city limits.
Does the Lemont zip code cover nearby villages or only the city?
While 60439 is assigned to Lemont, adjacent areas may use different codes; always verify the zip code when entering an address near village boundaries.
Can I use the Lemont zip code for PO Box addresses?
Yes, the same 60439 code applies when renting or managing a PO Box through the post office located in Lemont.
How do online retailers determine taxes using the Lemont zip code?
Retailers use the 60439 code to calculate local sales tax rates at checkout based on the destination address in DuPage County.