Public regulatory phone
333-0520
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 |
|---|---|---|---|---|---|
| Level 3 Telecom of California, LP customer_inquiries | 0004351110 | FORM499 | 811056 | Authoritative identifier (100.0%) | 2026-07-31 20:48:03 |