St. Clair County ZIP Codes
Illinois, United States · 30 codes
St. Clair County in Illinois has 30 ZIP codes, from 62059 to 62289, serving 30 places.
ZIP codes in St. Clair
| ZIP Code | Places |
|---|---|
| 62059 | Lovejoy |
| 62071 | National Stock Yards |
| 62201 | East Saint Louis |
| 62202 | East Saint Louis |
| 62203 | East Saint Louis |
| 62204 | East Saint Louis |
| 62205 | East Saint Louis |
| 62206 | East Saint Louis |
| 62207 | East Saint Louis |
| 62208 | Fairview Heights |
| 62220 | Belleville |
| 62221 | Belleville |
| 62222 | Belleville |
| 62223 | Belleville |
| 62225 | Scott Air Force Base |
| 62226 | Belleville |
| 62232 | Caseyville |
| 62239 | Dupo |
| 62240 | East Carondelet |
| 62243 | Freeburg |
| 62254 | Lebanon |
| 62255 | Lenzburg |
| 62257 | Marissa |
| 62258 | Mascoutah |
| 62260 | Millstadt |
| 62264 | New Athens |
| 62269 | O Fallon |
| 62282 | Saint Libory |
| 62285 | Smithton |
| 62289 | Summerfield |
Frequently asked questions
What is the ZIP code of St. Clair?
St. Clair has 30 ZIP codes, from 62059 to 62289. The table lists the places each one serves.
How many places are listed in St. Clair County?
30 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.