ZIP Codes Box

Grundy County, Illinois ZIP codes

9ZIP codes
9Cities and towns
53,752People in ZIP areas
331, 630, 779Area codes

Grundy County is in Illinois and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Grundy County

ZIP codeCityTypePopulationMedian income
60407BracevilleStandard1,812$89,792
60416Coal CityStandard9,550$75,219
60424GardnerStandard2,153$83,250
60437KinsmanStandard117$58,750
60444MazonStandard1,901$87,614
60447MinookaStandard16,102$108,210
60450MorrisStandard20,783$81,777
60474South WilmingtonPO Box only663$85,500
60479VeronaStandard671$105,000

Cities and towns in Grundy County

Area codes in Grundy County

Questions

How many ZIP codes are in Grundy County, IL?
Grundy County has 9 ZIP codes, 8 of them standard ZIP codes for street addresses.
What cities are in Grundy County?
Grundy County ZIP codes cover Braceville, Coal City, Gardner, Kinsman, Mazon, Minooka, Morris and South Wilmington and 1 other places.
What area code is Grundy County, IL?
Grundy County uses area codes 331, 630, 779 and 815.
What time zone is Grundy County in?
Grundy County is in Central Time.

Other Illinois counties