Public regulatory phone
(630) 844-6300
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 |
|---|---|---|---|---|---|
| ALARM DETECTION SYSTEMS INC L | 0002850204 | ULS | 0305aac488dcfa6da7be8dc462acec45155a44999ac40c9250a17312d265d80e | Authoritative identifier (100.0%) | 2026-08-05 13:48:31 |