Amateur Radio Callsigns in ZIP Code: 78570
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KD5ATX | VILLARREAL, LUIS | MERCEDES | TX | United States |
| WA5CET | HOLLAND, JACK C | MERCEDES | TX | United States |
| K5MJQ | Quist, Michael J | Mercedes | TX | United States |
| KF5AII | SPROLES Sr, NORMAN D | Mercedes | TX | United States |
| KG5IIE | Alvarez, Alicia D | Mercedes | TX | United States |
| KG5IIF | Lopez, Joe E | Mercedes | TX | United States |
| N0VTG | Stoudt, Douglas F | Mercedes | TX | United States |
| KI5GRB | Maldonado, Abram | Mercedes | TX | United States |
| KJ5BYT | PINA, ALFONSO | MERCEDES | TX | United States |