6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 63383 | Warrenton | 16,120 |
| 63390 | Wright City | 10,856 |
| 63357 | Marthasville | 6,593 |
| 63351 | Jonesburg | 1,410 |
| 63380 | Truesdale | 980 |
| 63381 | Truxton | 678 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Warren County, Missouri (US Census).