ISP & Telecom Directory · United States

Union Information Systems, LLC

Union Information Systems, LLC is a Toll Reseller 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.

Union Information Systems, LLC

Toll Reseller

Agent for service of process: John Prendergast, Blooston, Mordkofsky, Dickens & Prendergast, LLP, 2120 L Street, NW, Ste. 825, Washington, DC, 20037
Agent phone / fax: (202) 659-0830 · fax (202) 828-5568
Agent email: [email protected]
Headquarters: 100 West North Street, PO Box 96, Plainfield, WI, 54966
Customer inquiries: (715) 335-6301
Holding company: Amherst Telephone Company
States served (1): Wisconsin
FCC 499 Filer ID: 825268
Last filing: 4/1/2026

Sending a lawful request to Union Information Systems, 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 Union Information Systems, LLC. Names and contact details are reproduced as published by the regulator.