Public regulatory phone
(312) 681-3600
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 |
|---|---|---|---|---|---|
| CHICAGO TRANSIT AUTHORITY L | 0004830691 | ULS | 04fec028ac30dc84ba448c9a0d58a8589ece33c70b0bec00ff82e7e0e549ad6e | Authoritative identifier (100.0%) | 2026-08-08 11:18:45 |