Public regulatory phone
(301) 948-7550
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 |
|---|---|---|---|---|---|
| MARCONI AEROSPACE ELECTRONIC SYSTEMS INC L | ULS | 0bf3552172afd218f34bae247a8fa2fa6c1be9fb1adebe55457686c18ab5fe14 | Authoritative identifier (100.0%) | 2026-08-22 04:14:06 |