Cities of Illinois

This page contains reference information about the locality name and codes of telephones of the State Illinois. You can also select the desired town or city in US, the next page allows you to select the required range of numbers. To view information on a concrete phone number, use the "Search" field.
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
Illinois