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Illinois ZIP code map and Illinois ZIP code list. View all zip codes in IL or use the free zip code lookup.
Sep 1, 2024 · List of all Zip Codes for the state of Illinois, IL. Includes all counties and cities in Illinois.
Zip CodeCityCountyTypeStandardStandardStandardP.O. BoxList of all Zip Codes for the state of Illinois, IL. Postal code list includes all cities and counties in Illinois.
Find the ZIP code for any place name, county, or type in Illinois. Browse the alphabetical list of all ZIP codes in Illinois with their corresponding locations and types.
Find the ZIP code for any city or town in Illinois, US. Browse the list of all counties and cities in IL with their ZIP code type and county code.
This is the Illinois ZIP code website, which contains 1,579 ZIP codes, 1,409 cities, 102 counties, and more than 1,702,831 ZIP+4 codes. Each 9-digit ZIP code corresponds to one or several Illinois addresses.
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Maps & Data for 1,568 IL ZIP Codes. Data includes population, household income and housing and a Diversity Index. Links to local area photos, schools and resources.