Find the last 4 digits (ZIP+4) for an address in 60045

ZIP 60045, Lake Forest, IL is filled in. Just type the street address.

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ZIP Code 60045 – Lake Forest, IL

Lake Forest, Illinois · Lake County · Central time

ZIP code60045
CityLake Forest
StateIllinois
CountyLake County
Population21,074
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area21.31 sq mi
Center (lat, long)42.2360, -87.8648

Area codes in this area

224847

These are the area codes that most often serve ZIP 60045 (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

60040 Highwood · 3.3 mi60037 Fort Sheridan · 3.5 mi60044 Lake Bluff · 3.6 mi60069 Lincolnshire · 4.1 mi60015 Deerfield · 4.4 mi60035 Highland Park · 4.6 mi60061 Vernon Hills · 4.8 mi60088 Great Lakes · 5.2 mi

About ZIP 60045

ZIP code 60045 is assigned to Lake Forest, Illinois. It lies in Lake County. Its Census area covers about 21.31 square miles of land. The closest neighboring ZIP is 60040 (Highwood), about 3.3 miles away.

Every address in 60045 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