ZIP CodesZIP codes in St. Clair County, Missouri
St. Clair County, Missouri has 5 ZIP codes in this list, from 64724 to 64781. They cover 5 places, among them Appleton City, Collins, Lowry City and Osceola.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 64724 | Appleton City | 127 | 38.185, -94.023 |
| 64738 | Collins | 79.8 | 37.881, -93.661 |
| 64763 | Lowry City | 69.4 | 38.140, -93.711 |
| 64776 | Osceola | 237 | 38.029, -93.754 |
| 64781 | Roscoe | 0.8 | 37.973, -93.812 |
The ZIP code areas of St. Clair County add up to about 514 square miles of land (1,332 sq km) as the Census Bureau draws them. The largest is 64776 (Osceola), with 237 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Appleton City, MO 64724.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.