ZIP Codes in Illinois
Browse ZIP codes in Illinois, including city, county, area code, population, income, and timezone. This state page is designed to help you move between ZIP lookups, area code lookups, and geographic browsing.
State
Illinois
IL
ZIP codes
1,576
Area codes
9
62702
Springfield, IL
Area
217
Pop.
36,300
61701
Bloomington, IL
Area
309
Pop.
36,129
60612
Chicago, IL
Area
312
Pop.
36,052
60185
West Chicago, IL
Area
630
Pop.
35,974
61820
Champaign, IL
Area
217
Pop.
35,792
62521
Decatur, IL
Area
217
Pop.
35,787
60030
Grayslake, IL
Area
847
Pop.
35,685
61704
Bloomington, IL
Area
309
Pop.
35,677
60441
Lockport, IL
Area
815
Pop.
35,532
60139
Glendale Heights, IL
Area
630
Pop.
34,867
61008
Belvidere, IL
Area
815
Pop.
34,683
61401
Galesburg, IL
Area
309
Pop.
34,631
60046
Lake Villa, IL
Area
847
Pop.
34,534
60451
New Lenox, IL
Area
815
Pop.
34,516
60169
Hoffman Estates, IL
Area
630
Pop.
34,103
60007
Elk Grove Village, IL
Area
847
Pop.
33,973
62025
Edwardsville, IL
Area
618
Pop.
33,736
60621
Chicago, IL
Area
773
Pop.
33,608
62526
Decatur, IL
Area
217
Pop.
33,559
62301
Quincy, IL
Area
217
Pop.
33,125
60076
Skokie, IL
Area
847
Pop.
32,922
62234
Collinsville, IL
Area
618
Pop.
32,843
60517
Woodridge, IL
Area
630
Pop.
32,578
60098
Woodstock, IL
Area
815
Pop.
32,549
60050
Mchenry, IL
Area
815
Pop.
32,369
62002
Alton, IL
Area
618
Pop.
32,345
60202
Evanston, IL
Area
847
Pop.
32,255
60302
Oak Park, IL
Area
708
Pop.
32,218
60102
Algonquin, IL
Area
847
Pop.
32,166
62269
O Fallon, IL
Area
618
Pop.
32,011
60099
Zion, IL
Area
847
Pop.
31,593
61032
Freeport, IL
Area
815
Pop.
31,576
60525
La Grange, IL
Area
708
Pop.
31,514
61604
Peoria, IL
Area
309
Pop.
31,427
60189
Wheaton, IL
Area
630
Pop.
31,344
60174
Saint Charles, IL
Area
630
Pop.
31,340
61801
Urbana, IL
Area
217
Pop.
31,196
60653
Chicago, IL
Area
773
Pop.
31,086
60005
Arlington Heights, IL
Area
847
Pop.
30,931
61107
Rockford, IL
Area
815
Pop.
30,695
62703
Springfield, IL
Area
217
Pop.
30,644
61821
Champaign, IL
Area
217
Pop.
30,631
60423
Frankfort, IL
Area
815
Pop.
30,261
60714
Niles, IL
Area
847
Pop.
30,111
62226
Belleville, IL
Area
618
Pop.
29,913
60035
Highland Park, IL
Area
847
Pop.
29,814
60611
Chicago, IL
Area
773
Pop.
29,722
61108
Rockford, IL
Area
815
Pop.
29,642
About ZIP codes in Illinois
ZIP codes in Illinois can be used to browse local cities, counties, area codes, and population data. This page is a state-level directory for postal lookup and serves as a strong internal hub for deeper ZIP and area code pages.