Sheriff
Idyllwild contracts with Riverside County Sheriff’s Department for law enforcement services. On the radio they identify as “David” units.
| Talkgroup | Display | Usage |
| 549 | 1-CAB | Cabazon Primary 1 |
| 546 | 2-CAB | Cabazon Car-to-Car 2 |
| 545 | 3-HEM/SJ | Cabazon Special Ops 3 |
| 547 | 4-CENTRL | Cabazon Special Ops 4 |
Fire
The Idyllwild Fire Protection District is dispatched by Riverside County Fire.
| Frequency | Tone | Usage |
| 151.385 | 110.9 PL | RRU 1 - West County |
| 156.105 | 123.0 PL | Support 11 |
Parks
| Frequency | Tone | Usage |
| 868.5375 | 115 DPL | Mount San Jacinto State Park |