Public regulatory phone
(412) 433-2925
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 |
|---|---|---|---|---|---|
| United States Steel Corporation L | 0005069638 | ULS | 01a278952ff3f886ad8d6c34d5e7aef1e3bf94f6ec5370399956722954c3ea71 | Authoritative identifier (100.0%) | 2026-08-03 16:18:24 |
| United States Steel Corporation L | 0005069638 | ULS | 00d577e0db29d5b5a0eddebfa292c8b0e7ef16f40d23953e454a2f3ac17067f1 | Authoritative identifier (100.0%) | 2026-08-01 23:48:16 |