9 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 76522 | Copperas Cove | 42,118 |
| 76544 | Fort Cavazos | 28,191 |
| 76528 | Gatesville | 18,935 |
| 76597 | Gatesville | 3,005 |
| 76599 | Gatesville | 1,980 |
| 76596 | Gatesville | 1,060 |
| 76561 | Oglesby | 996 |
| 76598 | Gatesville | 491 |
| 76566 | Purmela | 370 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Coryell County, Texas (US Census).