Dupo ZIP Code Finder by Area and Number Illinois

The Dupo zip code is 62239 in Illinois helps people find the correct mailing location for homes, businesses, and services in Dupo.

Welcome to our complete guide for Dupo, Illinois ZIP Codes. Whether you're moving to Dupo, sending mail, searching for an address, or looking for local postal information, this page provides everything you need to know about the ZIP Codes serving Dupo, Illinois.

Every Dupo ZIP Code is assigned by the United States Postal Service (USPS) to support efficient mail delivery and address identification. In addition to postal services, Dupo ZIP Codes are widely used for online shopping, navigation, banking, insurance, healthcare, business operations, and government services.

City	Dupo
Zip Code	62239
State	Illinois
County	St. Clair
Population	4,381
Latitude	38.528
Longitude	-90.1803
Time Zone	America/Chicago

The Dupo Illinois zip code is used by USPS for mail delivery, shipping, and address identification across Dupo and nearby Illinois cities.

Dupo Illinois is a growing city in Illinois, and many people search for the Dupo zip code, Dupo postal code, Dupo IL zip code, and Dupo Illinois mailing code when sending mail or locating addresses. The zip code in Dupo is important for deliveries, online orders, location searches, and business listings in Dupo.

If you are searching for the Dupo zip code list, Dupo IL postal code, Dupo Illinois city zip code, or Dupo mailing zip code, this page helps you quickly find the correct Dupo zip code. Many residents, travelers, and businesses use the Dupo zip code lookup to confirm the correct Dupo mailing address.

The Dupo zip code area covers neighborhoods, residential communities, and business locations in Dupo IL. Whether you are looking for the Dupo city zip code, Dupo Illinois postal code, Dupo IL mailing code, or Dupo location zip code, the Dupo zip code Illinois helps identify the correct postal region in Illinois.

People also search for zip codes near Dupo, Dupo postal codes, Dupo IL zip code lookup, Dupo address zip code, and Dupo Illinois USPS zip code to find nearby locations in Illinois.

ZIP Codes in Dupo

The following ZIP Codes serve Dupo, Illinois.

ZIP Code	County	Population	Time Zone
62239	St. Clair	4,381	America/Chicago

Whether you're searching for a residential, commercial, or mailing address, the ZIP Code list above makes it easy to find the correct postal code for Dupo.

About Dupo, Illinois

Dupo is located in St. Clair County, Illinois, and is served by one or more ZIP Codes assigned by USPS. Residents, businesses, and visitors rely on these ZIP Codes for mail delivery, package shipping, address verification, and location-based services.

Some cities have a single ZIP Code, while larger cities may have multiple ZIP Codes covering different neighborhoods or business districts.

If you're searching for a Dupo ZIP Code, this page provides the latest available information to help you find the correct postal code quickly.

Dupo ZIP Code Map

The Dupo ZIP Code map helps visitors understand the geographic coverage of ZIP Code areas throughout the city.

The map can help you:

Locate neighborhoods
Find nearby ZIP Codes
Explore surrounding communities
Plan travel routes
Understand delivery areas

Find a ZIP Code in Dupo

If you need to locate a ZIP Code within Dupo, you can search using:

Street address
Neighborhood
Business name
Landmark
USPS mailing address

Using the correct Dupo ZIP Code helps improve mail delivery, shipping accuracy, and address verification.

About Living in Dupo

Dupo, Illinois is part of St. Clair County and is home to approximately 4,381 residents. The city operates in the America/Chicago time zone and is identified by the geographic coordinates 38.528 latitude and -90.1803 longitude.

Residents enjoy access to local schools, businesses, public services, healthcare facilities, parks, and transportation networks. Whether you're relocating, visiting, or starting a business, knowing the correct ZIP Code helps simplify everyday tasks.

Common Uses of Dupo ZIP Codes

ZIP Codes in Dupo are commonly used for:

USPS mail delivery
Package shipping
Online shopping
Address verification
Banking
Insurance
Government services
Emergency services
Navigation
Real estate
Business operations
Delivery planning

Why Dupo ZIP Codes Matter

Using the correct Dupo ZIP Code offers several benefits.

For Residents

Faster mail delivery
Accurate online orders
Easier address verification
Better navigation

For Businesses

Shipping optimization
Customer management
Delivery planning
Local marketing

Frequently Asked Questions

Dupo is served by one or more ZIP Codes listed on this page.

Dupo is currently served by 1 ZIP Code. The number of ZIP Codes depends on the size of the city and USPS delivery routes.

Dupo is located in St. Clair County.

Dupo is located in Illinois.

The estimated population of Dupo is 4,381.

Dupo follows the America/Chicago time zone.

Use your street address or browse the ZIP Code list available on this page.

No. Some ZIP Codes may include residential, commercial, government, or PO Box delivery areas.

Using the correct ZIP Code helps improve mail delivery, shipping accuracy, navigation, and address verification.

Official ZIP Code information is maintained by the United States Postal Service (USPS).

Conclusion

Whether you're looking for a mailing address, planning a move, or researching local information, this Dupo, Illinois ZIP Code guide makes it easy to find the postal information you need. Explore the ZIP Code list, use the map, and browse additional location details to learn more about Dupo and its surrounding communities.