6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 65233 | Boonville | 10,853 |
| 65276 | Pilot Grove | 1,733 |
| 65348 | Otterville | 1,316 |
| 65068 | Prairie Home | 849 |
| 65237 | Bunceton | 798 |
| 65322 | Blackwater | 704 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Cooper County, Missouri (US Census).