Public regulatory phone
(312) 435-5959
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 |
|---|---|---|---|---|---|
| UNION LEAGUE OF CHICAGO L | 0012853685 | ULS | 007b6e3009becd7bf8c0525ad3855923519976ef6e85a1867d27c184e649a05d | Authoritative identifier (100.0%) | 2026-08-01 10:48:18 |