ISP & Telecom Directory · United States

Isofusion, Inc.

Isofusion, Inc. is an Interconnected Voip 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.

Isofusion, Inc.

Interconnected Voip

Also known as: ISOMEDIA, Truering, Seanet, Avvanta, HFNVoice, Sea Ranch Connect, GigabitNow

Agent for service of process: Andrew Klein, Klein Law Group, PLLC, 1250 Connecticut Avenue NW, Suite 209, Washington, DC, 20036
Agent phone / fax: (202) 289-6955 · fax (202) 289-6997
Agent email: [email protected]
Headquarters: 12842 Interurban Avenue South, Tukwila, WA, 98168
Customer inquiries: (800) 468-3939
Holding company: —
States served (3): California, Indiana, Washington
FCC 499 Filer ID: 830525
Last filing: 4/1/2026

Sending a lawful request to Isofusion, Inc.

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 Isofusion, Inc.. Names and contact details are reproduced as published by the regulator.