Public regulatory phone
(520) 574-0000
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 |
|---|---|---|---|---|---|
| Granite Construction Company L | 0035485309 | ULS | 0097d4a4d88b8e56adf12d8c6b6ce7cdbd7e735eed307ec1939eedcf2e2199ea | Authoritative identifier (100.0%) | 2026-08-01 15:48:15 |