Montana-sized Internet.
People-focused service.
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.
Why choose Triangle Communications?
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.
Internet
We deliver high-speed Internet that's fiber-fed in many locations across Montana.
Mobile
Our local coverage can't be beat. Plus, we have the same great nationwide coverage as the big guys.
Phone
Landline phone service provides exceptional communications reliability in your home.
Bundles
Bundle our services to get the best experience at an economical rate. Explore our packages here!
Your Source for Business Solutions
Powerful & Reliable Solutions
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.
Responsive Customer Care
Customer Review
"Triangle Fiber gives our employees access to new technologies."
Dallas Sun Child, Chippewa Cree IT Staff - Rocky Boy, MT
Montana-sized Internet.
People-focused service.
