Public regulatory phone
(312) 733-7000
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 owner | ASR | b35f79843845f2aa1c652da864736735737e9463c19f7083d452dc65c94eb918 | Authoritative identifier (100.0%) | 2026-08-11 06:18:59 | |
| CHICAGO TRANSIT AUTHORITY owner | ASR | 9843562b1de4c17f1d50dbe8b666a76e646c5e5a7cc92ea696ebeea25e2b4ff1 | Authoritative identifier (100.0%) | 2026-08-09 04:48:49 |