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Call for Board Nominations!
An opportunity is available to serve your community as a Trustee for Triangle Telephone Cooperative. Triangle has 2 Districts up for elections this fall. To run for an open position, the member must reside within the District they wish to serve and have an active account in good standing.

Montana-sized Internet.
People-focused service.

Telemarketer Call Screening

We're excited to announce that all of our residential phone members now have access to this opt-in service for FREE!

Camera Systems

Wi-Fi camera systems customized for you! Multiple options available. Contact us for a free consultation!


Upgrade to a new bundle today and get your choice of a $50 bill credit or a free Roku to help you stream!

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 & Phone

We deliver high-speed Internet that's fiber-fed in many locations across Montana.

Business Solutions

Powerful & reliable internet and phone solutions for businesses of any size.

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

With Triangle as your communications provider, you can look forward to an exceptional level of customer care. You will get personal attention and responsive replies to questions and concerns. This deep commitment to our Montana roots and Montana members - along with strong working relationship between our staff and members - is what sets us apart from our larger competitors.

Telemarketer Call Screening

Are you tired of receiving unknown phone calls from telemarketers? This service blocks telemarketers and learns who your friends are so their calls complete without interference.
We also suggest registering your number in the FCC's Do Not Call Registry.
Report telephone robocall abuse

We Are Montana Building Montana

See how we're making an impact on Rural Montanans and the incredible goals they're able to achieve thanks to technology.

Customer Review

"Triangle Fiber gives our employees access to new technologies."

Dallas Sun Child, Chippewa Cree IT Staff - Rocky Boy, MT

Triangle Communications

Montana-sized Internet.
People-focused service. 

Triangle Communications, 2121 US Hwy 2 NW, Havre, MT 59501. ©   All Rights Reserved.