Waukegan
IL Zip Code: 60085 Area Code: 847
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Rockford
IL Zip Code: 61101 Area Code: 815, 779
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Peoria
IL Zip Code: 61602 Area Code: 309
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Joliet
IL Zip Code: 60431 Area Code: 815, 779
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Elgin
IL Zip Code: 60120 Area Code: 108,188
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Cicero
IL Zip Code: 60804 Area Code: 708
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Aurora
IL Zip Code: 60502 Area Code: 630, 331
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Chicago
IL Zip Code: 60611 Area Code: 312, 773, 872
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