ISP & Telecom Directory · United States

Ontario Systems, LLC

Ontario Systems, LLC 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.

Ontario Systems, LLC

Interconnected Voip

Agent for service of process: Corporation Service Company, 1090 Vermont Ave NW, Washington, DC, 20005
Agent phone / fax: (202) 408-3121 · fax (202) 408-3141
Agent email: [email protected]
Headquarters: 700 District Avenue, 9th Floor, Burlington, MA, 01803
Customer inquiries: (765) 751-7000
Holding company: Ontario Systems, LLC
States served (33): Alabama, Arizona, California, Colorado, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Vermont, Washington, Wisconsin
FCC 499 Filer ID: 834165
Last filing: 4/1/2026

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