ISP & Telecom Directory · United States

OpenSIP.com LLC

OpenSIP.com 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.

OpenSIP.com LLC

Interconnected Voip

Agent for service of process: National Registered Agen, 1015 15th Steet NW, Ste 1000, Washington, DC, 20005
Agent phone / fax: (202) 572-3100
Agent email: [email protected]
Headquarters: PO BOX 15685, Irvine, CA, 92623
Customer inquiries: (323) 463-4237
Holding company: —
States served (50): Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, 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, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID: 831990
Last filing: 4/1/2026

Sending a lawful request to OpenSIP.com 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 OpenSIP.com LLC. Names and contact details are reproduced as published by the regulator.