Kendall County, Illinois

8 ZIP codes · 320.24 sq mi of land · FIPS 17093

Population137,675
StateIllinois
FIPS code17093
Time zoneCentral
Land area320.24 sq mi
Center (lat, long)41.5881, -88.4306

Area codes in this area

779815

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

Cities and towns (largest first)

Oswego · 36,375Yorkville · 23,617Montgomery · 21,515MinookaBristolMillbrookNewarkPlano

ZIP codes in Kendall County

60447 Minooka60512 Bristol60536 Millbrook60538 Montgomery60541 Newark60543 Oswego60545 Plano60560 Yorkville

Population: U.S. Census Bureau, ACS 5-year estimates, 2024.