ISP & Telecom Directory · United States

Shiawassee Telephone Company

Shiawassee Telephone Company is an Incumbent LEC 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.

Shiawassee Telephone Company

Incumbent LEC

Also known as: TDS Telecom

Agent for service of process: Mace Rosenstein, Covington & Burling LLP, Covington & Burling LLP, Mace Rosenstein, 1201 Pennsylvania Ave NW, Washington, DC, 20004-2401
Agent phone / fax: (202) 662-5460 · fax (202) 778-5460
Agent email: [email protected]
Headquarters: 525 Junction Rd, Madison, WI, 53717-2152
Customer inquiries: (608) 664-4000
Holding company: TDS Telecommunications Corporation
States served (1): Michigan
FCC 499 Filer ID: 806532
Last filing: 4/1/2026

Sending a lawful request to Shiawassee Telephone Company

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 Shiawassee Telephone Company. Names and contact details are reproduced as published by the regulator.