ISP & Telecom Directory · United States

Triangle Tel. Coop. Assn. Inc.

Triangle Tel. Coop. Assn. Inc. is an Incumbent LEC 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.

Triangle Tel. Coop. Assn. Inc.

Incumbent LEC

Also known as: Triangle Telephone Cooperative Association, Inc., Triangle Communications

Agent for service of process: Blooston, Mordkofsky, Dickens, Duffy & Prendergast, 2120 L St NW, Suite 825, Washington, DC, 20037
Agent phone / fax: (202) 659-0830 · fax (202) 828-5568
Agent email: [email protected]
Headquarters: 2121 Hwy 2 NW, PO Box 1220, Havre, MT, 59501-1220
Customer inquiries: (406) 394-7807
Holding company: —
States served (1): Montana
FCC 499 Filer ID: 801114
Last filing: 4/1/2026

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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 Triangle Tel. Coop. Assn. Inc.. Names and contact details are reproduced as published by the regulator.