Public regulatory phone
(602) 358-4492
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 |
|---|---|---|---|---|---|
| Holder Construction Group, LLC L | 0026330266 | ULS | 054e3f7af77fa86b0c6b00354a016ae1e05853d8e326a3e24c88d08021816243 | Authoritative identifier (100.0%) | 2026-08-09 02:48:48 |