Public regulatory phone
(617) 933-5521 ext. 5521
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 |
|---|---|---|---|---|---|
| Granite Telecommunications, LLC mitigation_contact | 0006800221 | RMD | RMD0001631 | Authoritative identifier (100.0%) | 2026-07-31 16:34:39 |