ISP & Telecom Directory · United States

Mainstay Technologies, LLC.

Mainstay Technologies, LLC. is an Interexchange Carrier 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.

Mainstay Technologies, LLC.

Interexchange Carrier

Also known as: Mainstay Communications

Agent for service of process: Todd Slamowitz, Lukas, Lafuria, Lantor & Sachs, LLP, 1250 Maryland Ave SW, Washington, DC, 20024
Agent phone / fax: (703) 584-8673 · fax (703) 584-8696
Agent email: [email protected]
Headquarters: PO Box 487, 1000 N Main St, Henderson, NE, 68371
Customer inquiries: (402) 723-4448
Holding company: HENDERSON COOPERATIVE TELEPHONE COMPANY
States served (1): Nebraska
FCC 499 Filer ID: 826769
Last filing: 4/1/2026

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