ISP & Telecom Directory · United States

Interface Security Systems, LLC

Interface Security 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.

Interface Security Systems, LLC

Interconnected Voip

Also known as: Interface Systems

Agent for service of process: none, Corporation Service Company, 1156 15th St NW, Washington, DC, 20005
Agent phone / fax: (202) 408-3121 · fax (202) 408-3141
Agent email: [email protected]
Headquarters: 1844 Lackland Hill Parkway, St. Louis, MO, 63146-1130
Customer inquiries: (314) 595-0100
Holding company: —
States served (52): Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, 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: 827355
Last filing: 4/1/2026

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