St. Clair County, Illinois ZIP Codes
- ZIP codes
- 28
- Cities
- 20
- State
- Illinois (IL)
- County FIPS
- 17163
Cities in St. Clair County
ZIP codes in St. Clair County
- 62059Lovejoy
- 62201East Saint Louis
- 62203East Saint Louis
- 62204East Saint Louis
- 62205East Saint Louis
- 62206East Saint Louis
- 62207East Saint Louis
- 62208Fairview Heights
- 62220Belleville
- 62221Belleville
- 62223Belleville
- 62225Scott Air Force Base
- 62226Belleville
- 62232Caseyville
- 62239Dupo
- 62240East Carondelet
- 62243Freeburg
- 62254Lebanon
- 62255Lenzburg
- 62257Marissa
- 62258Mascoutah
- 62260Millstadt
- 62264New Athens
- 62269O Fallon
- 62282Saint Libory
- 62285Smithton
- 62289Summerfield
- 62293Trenton