Provider certification record
Granite Telecommunications, LLC
Listed- RMD number
- RMD0001631
- FRN
- 0006800221
- OCN
- 8052
Identity
- Legal business name
- Granite Telecommunications, LLC
- Doing-business-as
- Cornerstone Communications Hale and Father Telecommunications
- Foreign Voice Service Provider
- Yes
- Business address
- One Heritage Drive, Quincy MA 02171
- Filing contact
- Geoff Cookman
Director · Carrier Relations
GCookman@granitenet.com
(617) 933-5521
1 Heritage Drive Quincy MA 02171
United States of America
Classification
- Provider role(s)
- Voice service provider
- Intermediate provider
- STIR/SHAKEN implementation
Role Implementation Voice service provider Complete Intermediate provider Complete Overall Complete
Prior investigations / actions
- Description
Robocall mitigation plan
Declaration
- By
- Geoff Cookman
- Date
- 2026-02-19Last Recertified 2026-02-19
Listing history
| Date | Event | Detail / diff |
|---|---|---|
| 2026-02-20 | New | Initial certification filed and added to database. |