Zip Code ReportSt. Clair County ZIP codes
Every ZIP code in St. Clair County, Illinois, with the city it serves. Open any one for a free neighborhood report.
30 ZIP codes · St. Clair County, IL · FIPS 17163
ZIP codes
30 in this county62059Lovejoy62071National Stock Yardsunique62201East Saint Louis62202East Saint LouisPO box62203East Saint Louis62204East Saint Louis62205East Saint Louis62206East Saint Louis62207East Saint Louis62208Fairview Heights62220Belleville62221Belleville62222BellevillePO box62223Belleville62225Scott Air Force Base62226Belleville62232Caseyville62239Dupo62240East Carondelet62243Freeburg62254Lebanon62255Lenzburg62257Marissa62258Mascoutah62260Millstadt62264New Athens62269O Fallon62282Saint Libory62285Smithton62289Summerfield
3 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.