Amateur Radio Callsigns in ZIP Code: 78667
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| W5UGK | OLES, HENRY J | SAN MARCOS | TX | United States |
| WD5DAR | SCHMIDT, DARLENE H | SAN MARCOS | TX | United States |
| W2TPJ | PARRA JR, TONY | SAN MARCOS | TX | United States |
| KI5DGC | Klaus, Kelly J | San Marcos | TX | United States |
| KI5JAH | Richey, Thomas W | San Marcos | TX | United States |
| AI5SY | Hoese, Geoffrey B | San Marcos | TX | United States |