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Cook County Area Code, Illinois

Illinois Area Codes
Description:Illinois area code map showing the counties of the state along with their area code. Disclaimer
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List of Area Codes in Illinois
217 Area Code 309 Area Code 618 Area Code
779 Area Code 815 Area Code

County List of Area Code 224
Cook Area codeKane Area codeLake Area code
McHenry Area code
County List of Area Code 312
Cook Area code
County List of Area Code 331
DuPage Area codeKane Area codeCook Area code
Will Area codeKendall Area code
County List of Area Code 630
DuPage Area codeKane Area codeCook Area code
Will Area codeKendall Area code
County List of Area Code 708
Cook Area codeDuPage Area codeWill Area code
County List of Area Code 773
Cook Area code
County List of Area Code 847
Cook Area codeKane Area codeLake Area code
McHenry Area code
County List of Area Code 872
Cook Area code




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