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
RoleImplementation
Voice service providerComplete
Intermediate providerComplete
OverallComplete

Prior investigations / actions

Description
 

Robocall mitigation plan

Declaration

By
Geoff Cookman
Date
2026-02-19Last Recertified 2026-02-19

Listing history

DateEventDetail / diff
2026-02-20NewInitial certification filed and added to database.