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Area Code for Chicago City in Cook County, Illinois State, USA Area Code Lookup

Chicago is a town/City in Cook County, Illinois in USA . The ZIP codes or postal codes are used within the United States to help the United States Postal Service (USPS) to send or receive mail more efficiently. Following are the Country Codes, Phone Codes, Dialing Codes Area Codes by Zip codes used in theChicago, Cook County, Illinois, Usa. Following List of Area codes / Dialing Codes by ZIP Codes in Chicago, Cook County, Illinois Chicago, Cook County, Illinois, Usa
SL No. Zip Code City County State Country Area Code
31 60631 Chicago Cook County Illinois Usa 773
32 60632 Chicago Cook County Illinois Usa 773
33 60633 Chicago Cook County Illinois Usa 773
34 60634 Chicago Cook County Illinois Usa 773
35 60636 Chicago Cook County Illinois Usa 773
36 60637 Chicago Cook County Illinois Usa 773
37 60638 Chicago Cook County Illinois Usa 773
38 60639 Chicago Cook County Illinois Usa 773
39 60640 Chicago Cook County Illinois Usa 773
40 60641 Chicago Cook County Illinois Usa 773
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