ZIP Code 60543 – Oswego, IL
Oswego, Illinois · Kendall County · Central time
| ZIP code | 60543 |
|---|---|
| City | Oswego |
| State | Illinois |
| County | Kendall CountyWill CountyKane County |
| Population | 43,047 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 41.95 sq mi |
| Center (lat, long) | 41.6683, -88.3229 |
Area codes in this area
These are the area codes that most often serve ZIP 60543 (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
About ZIP 60543
ZIP code 60543 is assigned to Oswego, Illinois. It crosses 3 counties; most of its land is in Kendall County. Its Census area covers about 41.95 square miles of land. The closest neighboring ZIP is 60538 (Montgomery), about 4.2 miles away.
Every address in 60543 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