Oak Brook, IL ZIP Code

ZIP code, county, time zone and coordinates of Oak Brook, Illinois

The ZIP code of Oak Brook, IL is 60523. It is in DuPage County.

Mailing address format for Oak Brook

John Smith
123 Main St
OAK BROOK IL 60523
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Oak Brook

ZIP codePopulationArea
60523—9.0 sq miMain

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Oak Brook? Location, county and time zone

State
Illinois
County
DuPage County
GPS coordinates
41.83640, -87.95317
Elevation
663 ft (202 m)
Time zone
America/ChicagoCST · UTC-06:00
Population
8,163

Map of Oak Brook, IL 60523

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ZIP codes near Oak Brook

Oak Brook ZIP code: FAQ

What is the ZIP code for Oak Brook, IL?

The main ZIP code for Oak Brook, IL is 60523.

How many ZIP codes does Oak Brook have?

Oak Brook has 1 ZIP code.

What county is Oak Brook, IL in?

Oak Brook is in DuPage County, Illinois.

What time zone is Oak Brook in?

Oak Brook is in the America/Chicago time zone (CST, UTC-06:00 right now).

What are the coordinates of Oak Brook?

Latitude 41.83640, longitude -87.95317.

Last updated: