Public regulatory phone
(509) 527-6239
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 |
|---|---|---|---|---|---|
| Kaiser Aluminum L | 0006189773 | ULS | 01dd401807ea953e8c024d9d779f113256d310d73cc669d07a41462ae5d333ab | Authoritative identifier (100.0%) | 2026-08-04 00:48:25 |