Public regulatory phone
(925) 957-7701
Associations below come from public FCC regulatory records. Confidence describes the source relationship, not current ownership of the number.
| Company or contact | FRN | System | Source record | Confidence | Observed |
|---|---|---|---|---|---|
| CONTRA COSTA, COUNTY OF TELECOMMUNICATIONS DIVISION | 0001540145 | CORES | 0001540145 | Authoritative identifier (100.0%) | 2026-08-02 06:48:24 |