ISP & Telecom Directory · United States

Callmama Limited

Callmama Limited 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.

Callmama Limited

Interconnected Voip

Agent for service of process: Mohd Hanif, Callmama Limited, 1717 N Street NW, Suite 1, Washington, DC, 20036
Agent phone / fax: (914) 454-3728
Agent email: [email protected]
Headquarters: 8F, China Hong Kong Tower, 8-12 Hennessy Road, Wan Chai
Customer inquiries: (914) 454-3728
Holding company: —
States served (59): Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Johnston Atoll, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Midway Atoll, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, US Virgin Islands, Vermont, Virginia, Wake Island, Washington, West Virginia, Wisconsin, Wyoming
FCC 499 Filer ID: 838285
Last filing: 4/1/2026

Sending a lawful request to Callmama Limited

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 Callmama Limited. Names and contact details are reproduced as published by the regulator.