ISP & Telecom Directory · United States

Granite Telecommunications, LLC

Granite Telecommunications, LLC is a CAP/CLEC in United States, listed in the FCC register. The contact details below are reproduced from that register as of August 2026; verify against the live register before serving legal process.

Granite Telecommunications, LLC

CAP/CLEC

Also known as: Cornestone Communications, Hale and Father Telecommunications

Agent for service of process: Corporate Creations Network Inc., 1629 K Street, NW, #300, Washington, DC, 20006
Agent phone / fax: (202) 558-5443
Agent email: [email protected]
Headquarters: One Heritage Drive, Quincy, MA, 02171
Customer inquiries: (866) 847-1500
Holding company: —
States served (52): Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID: 822170
Last filing: 4/1/2026

Sending a lawful request to Granite Telecommunications, LLC

Serve subpoenas, court orders and preservation letters on the agent for service of process named below; registered-agent firms forward to the company's legal team. Requests from outside the United States go through the MLAT or CLOUD Act route. For the procedure and legal basis in United States, see the investigator guides; for platform and app data requests, the LERS portal guides.

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Source: FCC Form 499 Filer Database. Independent reference for study and investigative use; Ministry of Cyber Affairs is not a government body and does not represent Granite Telecommunications, LLC. Names and contact details are reproduced as published by the regulator.