9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 76522 | Copperas Cove | 41,087 |
| 76544 | Fort Cavazos | 26,040 |
| 76528 | Gatesville | 19,323 |
| 76597 | Gatesville | 3,123 |
| 76599 | Gatesville | 1,764 |
| 76561 | Oglesby | 1,207 |
| 76596 | Gatesville | 1,097 |
| 76598 | Gatesville | 440 |
| 76566 | Purmela | 344 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Coryell County, Texas (US Census).