Public regulatory phone
(972) 355-4772
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 |
|---|---|---|---|---|---|
| MCI Communications Services, Inc. L | ULS | 0f9494e225c7e7d0dafc2b06ae1485594735817bdf5b4e87f0bab433278ec49a | Authoritative identifier (100.0%) | 2026-09-02 05:15:05 |