Attention Members: The recent 2018 Capital Credit Statement Letter had the incorrect phone number in the letter. The number at the top is correct. Please contact us at 1-800-332-1201 or 611 from your phone account. Sorry for the inconvenience this may have caused you.
Switching to an Internet Only plan could save money while enjoying faster speeds!
A worry-free solution for the best Wi-Fi experience throughout your entire home.
At Triangle Communications, we invite you to go the Montana way. Go the Montana way by enjoying all the big things Montana offers—our mountains, our prairies, and our Big Sky. Go the Montana way with big Internet, too. Our fiber network offers speeds that remove the frustration of buffering, slow downloads and more.
We deliver high-speed Internet that's fiber-fed in many locations across Montana.
Our local coverage can't be beat. Plus, we have the same great nationwide coverage as the big guys.
Landline phone service provides exceptional communications reliability in your home.
Bundle our services to get the best experience at an economical rate. Explore our packages here!
Triangle is here to meet the demands of your business today and tomorrow by delivering the latest in telephone, Internet and Ethernet circuits. We will work with you to develop a customized combination of these services to meet and/or exceed your business needs.
"Triangle Fiber gives our employees access to new technologies."
Dallas Sun Child, Chippewa Cree IT Staff - Rocky Boy, MT