| Locality | Post Code |
|---|---|
| Barry, Navarro | 75102 |
| Blooming Grove, Navarro | 76626 |
| Chatfield, Navarro | 75105 |
| Corsicana, Navarro | 75109, 75110 |
| Dawson, Navarro | 76639 |
| Emmett, Navarro | 76641 |
| Frost, Navarro | 76641 |
| Jester, Navarro | 76679 |
| Kerens, Navarro | 75144 |
| Navarro, Navarro | 75110 |
| Navarro Mills, Navarro | 76679 |
| Powell, Navarro | 75153 |
| Purdon, Navarro | 76679 |
| Pursley, Navarro | 76679 |
| Rice, Navarro | 75155 |
| Richland, Navarro | 76681 |
| Silver City, Navarro | 76679 |
| Springhill, Navarro | 76639 |