Public regulatory phone
(713) 332-5228
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 |
|---|---|---|---|---|---|
| CALPINE CORPORATION L | 0025888587 | ULS | 045a9c664850c2b11c7d1aa84afa2f828d9f138334904c0d5961a9eef852fbdf | Authoritative identifier (100.0%) | 2026-08-07 10:18:47 |