ISP & Telecom Directory · United States

CSI of St. Louis, Inc.

CSI of St. Louis, 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.

CSI of St. Louis, Inc.

Interconnected Voip

Also known as: CSI Telecommunications, Inc.

Agent for service of process: Orvin Orvin, CliftonLarsonAllen LLP, 1025 Connecticut Ave., NW,, Suite 712, Washington, DC, 20036
Agent phone / fax: (678) 203-0271 · fax (678) 487-8808
Agent email: [email protected]
Headquarters: 140 Long Rd. Suite 100, CHESTERFIELD, MO, 63005
Customer inquiries: (636) 534-6600
Holding company: —
States served (3): Indiana, Kentucky, Missouri
FCC 499 Filer ID: 832334
Last filing: 4/1/2026

Sending a lawful request to CSI of St. Louis, 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 CSI of St. Louis, Inc.. Names and contact details are reproduced as published by the regulator.