| Frequency | Company name | RS | City |
|---|---|---|---|
| 146.6400 | DIAMOND BAR AMATEUR RADIO SO | AM | DIAMOND BAR |
| 154.3400 | LA COUNTY FIRE (WHITE 2) | PF | DIAMOND BAR |
| 224.0200 | DIAMOND BAR, CA | AM | DIAMOND BAR |
| 462.9500 | LOS ANGELES COUNTY, CA | PS | DIAMOND BAR |
| 462.9750 | LOS ANGELES COUNTY, CA | PS | DIAMOND BAR |
| 931.0625 | PACTEL PAGING | CD | DIAMOND BAR |