Amateur Radio Callsigns in ZIP Code: 78683
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| K4AJN | MUDRACK, VICTOR P | ROUND ROCK, | TX | United States |
| N4HEL | MUDRACK, ANNIE D | ROUND ROCK, | TX | United States |
| KI5GVG | Williams, John T | Round Rock | TX | United States |
| KI5HMG | Nash, Matthew O | Round Rock | TX | United States |
| NY2TX | CHIAPPARDI, JASON P | ROUND ROCK | TX | United States |
| NR5H | Howe, Justin | Round Rock | TX | United States |
| KJ5JYB | Kwiatkowski, Maciej W | Round Rock | TX | United States |