![](http://www.usacityinformation.com/photos/1318450699.jpg)
Waukegan
IL Zip Code: 60085 Area Code: 847
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![](http://www.usacityinformation.com/photos/1318441344.jpg)
Rockford
IL Zip Code: 61101 Area Code: 815, 779
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![](http://www.usacityinformation.com/photos/1318439906.jpg)
Peoria
IL Zip Code: 61602 Area Code: 309
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![](http://www.usacityinformation.com/photos/1318434575.jpg)
Joliet
IL Zip Code: 60431 Area Code: 815, 779
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![](http://www.usacityinformation.com/photos/1318432613.jpg)
Elgin
IL Zip Code: 60120 Area Code: 108,188
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![](http://www.usacityinformation.com/photos/1318430782.jpg)
Cicero
IL Zip Code: 60804 Area Code: 708
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![](http://www.usacityinformation.com/photos/1318397528.jpg)
Aurora
IL Zip Code: 60502 Area Code: 630, 331
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![](http://www.usacityinformation.com/photos/1316549617.jpg)
Chicago
IL Zip Code: 60611 Area Code: 312, 773, 872
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