Amateur Radio Callsigns in ZIP Code: 78039
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KK4AM | ERBY, DUANE W | LA COSTE | TX | United States |
| KE5BYJ | Christilles, Ernest P | La Coste | TX | United States |
| KF5PZX | Schuetz, Jacob A | La Coste | TX | United States |
| KF5TPD | Ramirez, Jonathan | La Coste | TX | United States |
| KG5JWE | Zuniga, Eric | La Coste | TX | United States |
| KI5EVN | BECERRA, JEFFERY J | La Coste | TX | United States |