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What are some Illinois ZIP codes?

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Quick Answer

Some ZIP codes are 60001, 60002, 60004, 60005 and 60006. The first two zip codes cover McHenry and Lake Counties, while the rest cover Cook County, as do ZIP codes 60007, 60008, 60009, 60010 and 60011. McHenry County is also covered by 60012, 60013 and 60014, among others.

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Full Answer

Most of the ZIP codes in Illinois cover McHenry, Cook and Lake Counties. ZIP codes 60101, 60103, 60105, 60106 and 60108 cover Dupage County. ZIP codes 60109 and 60110 cover Kane County, while 60111, 60112, and 60115 cover Dekalb County. Ogle County is covered by 60129, Will County by 60401, 60403 and 60404. Grundy County is covered by 60407, 60424 and 60437.

LaSalle County is covered by 60470, while Livingston County is covered by 60460. Lee County has 60530 as a ZIP code, while Kendall County has ZIP codes that include 60536, 60538 and 60541. Kanakee County's ZIP codes include 60901, 60910, 60913 and 60914. Iroquois County's ZIP codes include 60911 and 60912. Ford County is covered by ZIP code 60919 and 60936, while Vermilion County has a 60942 ZIP code.

Illinois has 102 counties, and Cook County is the most populous, with an estimated 5,246,456 people as of 2014. It has 128 municipalities, and its county seat is Chicago. This accounts for the abundance of ZIP codes in Cook County.

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