Public regulatory phone
(301) 797-1280
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 |
|---|---|---|---|---|---|
| Glessner Protective Services, Inc. customer_inquiries | 0032218976 | FORM499 | 838117 | Authoritative identifier (100.0%) | 2026-08-02 04:48:11 |