List of cities in State Illinois

This page contains reference information about the city name and codes of telephones in Illinois. To search for the needed phone number, use the "Search" field. You can also select the desired city in the United States, on the next page you can select the desired range of numbers, and then the number for which you are looking for information.

Alton +1618 618
Alton +1730 730
Champaign +1447 447
Champaign +1217 217
Chicago +1312 312
Chicago +1872 872
Chicago +1773 773
Cicero +1708 708
Cicero +1464 464
Naperville +1630 630
Pontiac +1248 248
Rock Island +1309 309
Rockford +1815 815
Rockford +1779 779
Springfield +1417 417
Waukegan +1224 224
Waukegan +1847 847


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