Find the last 4 digits (ZIP+4) for an address in 60523

ZIP 60523, Oak Brook, IL is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 60523 – Oak Brook, IL

Oak Brook, Illinois · DuPage County · Central time

ZIP code60523
CityOak Brook
StateIllinois
CountyDuPage CountyCook County
Population10,144
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area8.95 sq mi
Center (lat, long)41.8364, -87.9532

Area codes in this area

224847

These are the area codes that most often serve ZIP 60523 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

60521 Hinsdale · 2.8 mi60514 Clarendon Hills · 2.8 mi60181 Villa Park · 3 mi60559 Westmont · 3.1 mi60154 Westchester · 3.4 mi60162 Hillside · 3.4 mi60526 La Grange Park · 3.6 mi60558 Western Springs · 3.6 mi

About ZIP 60523

ZIP code 60523 is assigned to Oak Brook, Illinois. It crosses 2 counties; most of its land is in DuPage County. Its Census area covers about 8.95 square miles of land. The closest neighboring ZIP is 60521 (Hinsdale), about 2.8 miles away.

Every address in 60523 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources