The Federal Communications Commission (FCC) has granted 9 radio service licenses and call signs in Diablo, California. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Name | Address, Zip |
|---|---|
| K6OQP | 2081 CASA NUESTRA, PO Box 847, 94528 |
| K6SCE | PO Box 723, 94528 |
| KB6MUZ | PO Box 631, 94528 |
| N1QOJ | PO Box 244, 94528 |
| RR00017254 | PO Box 16, 94528 |
| RR00061732 | 2670 Caballo RAnchero Dr., PO Box 846, 94528 |
| RR00157323 | 2670 Caballo Ranchero Dr., PO Box 846, 94528 |
| WCX9834 | PO Box 643, 94528 |
| WDE5235 | 1749 Alameda Diablo, PO Box 104, 94528 |
