Triangle Communications Internet in Montana
369 ZIP codes covered · 300 Mbps max download · Fiber (FTTH)
Triangle Communications in Montana: What You Get
Triangle Communications is one of 10 broadband providers active across Montana, with reported coverage in 369 ZIP codes out of 369 statewide. The carrier delivers service over Fiber (FTTH), with an advertised maximum of 300 Mbps download and 300 Mbps upload at the top tier where the network supports it. Statewide, Montana averages 802 Mbps advertised download and 100% fiber-to-the-home coverage per the latest FCC National Broadband Map.
FCC Broadband Data Collection coverage is filed at the location level by every facilities-based provider and rolled up to ZIP, county, and state aggregates roughly every six months. A Triangle Communications report inside a Montana ZIP code means at least one address inside the ZIP qualifies for service; it does not guarantee every home in the ZIP can subscribe at the advertised peak tier. For a definitive address-level check, use the FCC's public lookup or call the carrier directly.
Montana ZIP Codes Where Triangle Communications Reports Service
Top 19 Montana ZIPs by Broadband Grade where Triangle Communications appears in the FCC BDC filings. The full 369-ZIP footprint is available via the provider's national page.
| ZIP | City / County | Grade | Max Mbps | Providers |
|---|---|---|---|---|
| 59046 | Golden Valley | A | 1,000 | 10 |
| 59074 | Golden Valley | A | 1,000 | 10 |
| 59222 | Daniels | A | 1,000 | 10 |
| 59253 | Daniels | A | 1,000 | 10 |
| 59263 | Daniels | A | 1,000 | 10 |
| 59276 | Daniels | A | 1,000 | 10 |
| 59313 | Fallon | A | 1,000 | 10 |
| 59326 | Prairie | A | 1,000 | 10 |
| 59344 | Fallon | A | 1,000 | 10 |
| 59349 | Prairie | A | 1,000 | 10 |
| 59354 | Fallon | A | 1,000 | 10 |
| 59419 | Teton | A | 1,000 | 10 |
| 59422 | Teton | A | 1,000 | 10 |
| 59433 | Teton | A | 1,000 | 10 |
| 59436 | Teton | A | 1,000 | 10 |
| 59467 | Teton | A | 1,000 | 10 |
| 59468 | Teton | A | 1,000 | 10 |
| 59059 | Musselshell | A | 1,000 | 10 |
| 59072 | Musselshell | A | 1,000 | 10 |
See how your connection compares to Triangle Communications's advertised 300 Mbps tier in Montana.
Other Montana Internet Providers
Triangle Communications Montana FAQ
Is Triangle Communications available in Montana?
Yes. Triangle Communications reports broadband service in 369 Montana ZIP codes in the FCC Broadband Data Collection filings as of April 2026. Coverage is reported at the location level and rolled up to ZIP code, so individual addresses inside a covered ZIP may or may not qualify for the advertised maximum tier.
What speeds does Triangle Communications offer in Montana?
Triangle Communications reports a maximum advertised download of 300 Mbps and maximum upload of 300 Mbps using Fiber (FTTH) in Montana. Real-world median throughput typically runs 60-80% of advertised speeds during peak evening hours per M-Lab measurement data.
Does Triangle Communications offer fiber internet in Montana?
Triangle Communications reports fiber-to-the-home availability in 369 ZIP codes nationwide, including portions of its Montana footprint. Fiber tiers from Triangle Communications support symmetrical multi-gig speeds where deployed; legacy DSL and cable portions of the footprint use copper plant.
How does Triangle Communications compare to other Montana internet providers?
Montana has an average of 10 reported broadband providers per ZIP code and an average advertised download of 802 Mbps statewide. T-Mobile and Charter (Spectrum) are the next-largest reporting providers in the state. See the full Montana state profile for the complete competitive landscape.
How can I check Triangle Communications availability at my Montana address?
Look up your ZIP code on this site to see every provider that reports coverage there, including Triangle Communications. The FCC also operates an address-level lookup at broadbandmap.fcc.gov where you can file a challenge if the reported coverage does not match what is actually serviceable at your home.
Source: FCC Broadband Data Collection, 2026.