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ZIP Code boundaries in Chicago. The data can be viewed on the Chicago Data Portal with a browser. However, to view or use the files outside of a browser, you will need to use. 90 rows91 ZIP Codes in Chicago, IL of Cook County, Area Codes 217 & 224 & 312, maps, demographics, population, businesses, geography, home values.> Of the ZIP codes within or partially within Chicago there are 58 Standard ZIP Codes, 20 Unique ZIP Codes and 6 PO Box ZIP Codes. The total population of ZIP Codes in.
View our responsive zip code map for Chicago, IL. With referenced highways, cities, and list of all the nearby zip codes.
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