Public regulatory phone
(312) 207-9900
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 |
|---|---|---|---|---|---|
| SPECTRUM DEVELOPMENT GROUP, LLC Applicant | 0025916248 | LMS | 25076ff38b63e0c4018b80bb63dd0b16 | High confidence (95.0%) | 2026-09-07 22:15:22 |
| SPECTRUM DEVELOPMENT GROUP, LLC Applicant | 0025916248 | LMS | 25076ff38b63e0c4018b80bf9da20b24 | High confidence (95.0%) | 2026-09-07 22:15:22 |
| SPECTRUM DEVELOPMENT GROUP, LLC Applicant | 0025916248 | LMS | 25076ff38b3fb1c3018b5d2255a10b8c | High confidence (95.0%) | 2026-09-07 22:15:21 |
| SPECTRUM DEVELOPMENT GROUP, LLC Applicant | 0025916248 | LMS | 25076ff37ec22446017ec6bb79610741 | High confidence (95.0%) | 2026-09-04 04:15:05 |