ISP & Telecom Directory · United States

Sunman Telecommunications Corp.

Sunman Telecommunications Corp. 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.

Sunman Telecommunications Corp.

Incumbent LEC

Also known as: Enhanced Telecommunications Corp., Great Plains Communications

Agent for service of process: Thomas Moorman, Woods & Aitken LLP, 5335 Wisconsin Avenue, N.W., Suit 950, Washington, DC, 20015
Agent phone / fax: (202) 944-9500 · fax (202) 944-9501
Agent email: [email protected]
Headquarters: 1600 Great Plains Centre, PO Box 500, Blair, NE, 68008-0500
Customer inquiries: (855) 853-1483
Holding company: GPCH LLC
States served (1): Indiana
FCC 499 Filer ID: 809418
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 Sunman Telecommunications Corp.. Names and contact details are reproduced as published by the regulator.