California Scanner Frequencies
Contra Costa County
| Frequency | CallSign | DBA/Licensee | City |
| 30.8400 | WPTA287 | DOLAN FOSTER ENTERPRISES LLC | CONCORD |
| 31.2400 | WPTA287 | DOLAN FOSTER ENTERPRISES LLC | CONCORD |
| 33.1600 | WPTA287 | DOLAN FOSTER ENTERPRISES LLC | CONCORD |
| 33.4000 | WPTA287 | DOLAN FOSTER ENTERPRISES LLC | CONCORD |
| 33.4400 | KMF371 | Contra Costa, County of | CLAYTON |
| 33.4400 | KMF371 | Contra Costa, County of | DANVILLE |
| 33.4400 | KMF371 | Contra Costa, County of | LIVERMORE |
| 33.4400 | KMF371 | Contra Costa, County of | MARTINEZ |
| 33.4400 | KMF371 | Contra Costa, County of | ORINDA |
| 33.4400 | KMF371 | Contra Costa, County of | PLEASANT HILL |
| 33.4800 | KA3744 | CONTRA COSTA, COUNTY OF | walnut creek |
| 33.4800 | KMF371 | Contra Costa, County of | CLAYTON |
| 33.4800 | KMF371 | Contra Costa, County of | DANVILLE |
| 33.4800 | KMF371 | Contra Costa, County of | LIVERMORE |
| 33.4800 | KMF371 | Contra Costa, County of | MARTINEZ |