9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 76522 | Copperas Cove | 41,895 |
| 76544 | Fort Cavazos | 26,896 |
| 76528 | Gatesville | 18,490 |
| 76597 | Gatesville | 3,333 |
| 76599 | Gatesville | 1,906 |
| 76561 | Oglesby | 1,070 |
| 76596 | Gatesville | 1,066 |
| 76598 | Gatesville | 452 |
| 76566 | Purmela | 387 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Coryell County, Texas (US Census).