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Illinois ZIP Codes

United States Administrative State (IL)

Timezone
America/Chicago
Area Codes
(217), (224), (309), (312), (331), (618) ...
FIPS Code
17
Observes DST
Yes

Popular Cities in Illinois

Chicago (88 Zips)Aurora (12 Zips)Rockford (10 Zips)Springfield (10 Zips)Naperville (8 Zips)

Major ZIP Codes

6060160611605056110162701
Open Illinois Interactive Map →