| Frequency | Call Sign | Company name | RS | City |
|---|---|---|---|---|
| 90.5000 | 980319MM | OREGON ED. RADIO SERVICES | FM | HORNBROOK |
| 90.5000 | 980319MN | HORNBROOK DEVELOPMENT CEN | FM | HORNBROOK |
| 159.3300 | KIN85 | CALIFORNIA, STATE OF | PO | HORNBROOK |
| 159.3600 | KIN85 | CALIFORNIA, STATE OF | PO | HORNBROOK |
| 824.0400 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 824.0400 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 834.3900 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 834.3900 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 835.0200 | KNKN233 | CAL-ONE CELLULAR LIMITED | CL | HORNBROOK |
| 835.0200 | KNKN233 | CAL-ONE CELLULAR LIMITED | CL | HORNBROOK |
| 845.0100 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 845.0100 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 846.5100 | KNKN233 | CAL-ONE CELLULAR LIMITED | CL | HORNBROOK |
| 857.7625 | WPPW676 | CALIFORNIA, STATE OF | GP | HORNBROOK |
| 857.7625 | WPPW676 | CALIFORNIA, STATE OF | GP | HORNBROOK |
| 869.0400 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 869.0400 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 879.3900 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 879.3900 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 880.0200 | KNKN233 | CAL-ONE CELLULAR LIMITED | CL | HORNBROOK |
| 880.0200 | KNKN233 | CAL-ONE CELLULAR LIMITED | CL | HORNBROOK |
| 890.0100 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 890.0100 | KNKN267 | CALIFORNIA RURAL SERVICE | CL | HORNBROOK |
| 891.5100 | KNKN233 | CAL-ONE CELLULAR LIMITED | CL | HORNBROOK |