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Browse Zip Codes in Illinois by City

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The list below outlines all the cities in Illinois. Click the city to get the listing of all the State of Illinois zip codes for that city with detailed statistics about zip code demographics, housing, education, transportation and family. See also the list of top 10 Illinois Zip Codes, or Illinois Demographics.
Q (Quincy - Quincy)
X (Xenia - Xenia)
Y (Yale - Yorkville)
Z (Zeigler - Zion)