6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 64776 | Osceola | 3,374 |
| 64724 | Appleton City | 1,999 |
| 64763 | Lowry City | 1,676 |
| 64738 | Collins | 1,368 |
| 64780 | Rockville | 364 |
| 64781 | Roscoe | 80 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in St. Clair County, Missouri (US Census).