In Cascade County there are 2 residential DSL providers covering 83.42% of the county. The average home can get speeds up to 25 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all DSL internet providers in Cascade County, MT.
To see availability maps for all providers including fiber, cable, DSL, and more in Cascade County, MT please click below.
Cascade County, MT Availability Maps
DSL Internet Service Providers in Cascade County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Cascade County are not shown.
Cascade County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Cascade County is DSL internet available?

DSL Internet Availability Key
DSL is available in 83.42% of Cascade County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in Cascade County above to see who has service at your home.
How fast is DSL internet in Cascade County?
The map below shows maximum DSL internet speeds by area in Cascade County.

DSL Internet Speed Key
The average Cascade County home can get up to 25 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 80 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 50.12% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Cascade County.
DSL internet speeds tend to be faster in the west parts of Cascade County, and slower in the south areas of the county.
Is DSL the fastest internet I can get in Cascade County?
The fastest internet for you may vary based on where in Cascade County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 32.47% of Cascade County homes.
- Cable is fastest for 53.47% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 7.53%.
- Satellite internet may be the only option for 5.85% of Cascade County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Cascade County, along with details on where in Cascade County and at what speeds.
Centurylink DSL in Cascade County, MT

Centurylink DSL coverage
About 83.22%, or 70,249 people, have Centurylink DSL internet available to them in the county. The company covers the entire Cascade County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Cascade County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Cascade County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 4 different maximum speeds throughout Cascade County. The fastest plan anyone in Cascade County can order from Centurylink goes up to 80 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Cascade County customers is up to 25 Mbps.
Show all download speeds
- 0.0% up to 80.0 Mbps
- 16.5% up to 60.0 Mbps
- 23.0% up to 40.0 Mbps
- 60.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In Cascade County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the slowest compared to other Cascade County DSL providers. Centurylink offers 5 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cascade County is up to 40 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 2.2 Mbps.
Show all upload speeds
- 0.0% up to 40.0 Mbps
- 0.3% up to 20.0 Mbps
- 17.7% up to 5.0 Mbps
- 21.5% up to 3.0 Mbps
- 60.5% up to 1.0 Mbps
3 Rivers Communications DSL in Cascade County, MT

3 Rivers DSL coverage
About 1.06%, or 898 people, have 3 Rivers DSL internet available to them in the county. The company covers the east, central, southeast, and north Cascade County area. 3 Rivers is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Cascade County.
3 Rivers Communications DSL download speeds
3 Rivers is below average when comparing download speeds to all other internet providers in Cascade County. Versus other DSL providers in the area, 3 Rivers DSL is the slowest. There are 2 different maximum speeds throughout Cascade County. The fastest plan anyone in Cascade County can order from 3 Rivers goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Cascade County customers is up to 25 Mbps.
Show all download speeds
- 97.8% up to 25.0 Mbps
- 2.2% up to 10.0 Mbps
3 Rivers Communications DSL upload speeds
In Cascade County download speeds tend to be faster than than upload speeds for 3 Rivers DSL. Compared to other ISPs, 3 Rivers is below average where upload speeds are concerned, and the fastest compared to other Cascade County DSL providers. 3 Rivers offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cascade County is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, 3 Rivers customers can get speeds up to 3.0 Mbps.
Show all upload speeds
- 97.8% up to 3.0 Mbps
- 2.2% up to 1.0 Mbps
Cascade County DSL by Area
This information is most helpful to those looking for homes or considering moving to Cascade County or any of the areas nearby.
How does DSL internet in Cascade County compare to the rest of Montana?
DSL internet speeds in Cascade County are much faster versus the average speeds in Montana: 0.00 Mbps in Montana versus 25 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Montana is 0.00% versus 83.42% in Cascade County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Cascade County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Teton County, MT: less DSL coverage, slower speeds
- Chouteau County, MT: less DSL coverage, slower speeds
- Fergus County, MT: less DSL coverage, slower speeds
- Lake County, MT: more DSL coverage, slower speeds
- Petroleum County, MT: less DSL coverage, slower speeds
- Mineral County, MT: more DSL coverage, faster speeds
- Sanders County, MT: less DSL coverage, faster speeds
- Garfield County, MT: less DSL coverage, slower speeds
- Shoshone County, ID: less DSL coverage, slower speeds
- Benewah County, ID: less DSL coverage, faster speeds
Counties with Similar Populations
- St. Croix County, WI: less DSL coverage, slower speeds
- Cheshire County, NH: less DSL coverage, slower speeds
- Clallam County, WA: more DSL coverage, faster speeds
- Clearfield County, PA: less DSL coverage, faster speeds
- Clinton County, MI: less DSL coverage, faster speeds
- Clinton County, NY: less DSL coverage, faster speeds
- Cole County, MO: more DSL coverage, faster speeds
- Toa Baja Municipio, PR: less DSL coverage, faster speeds
- Crawford County, PA: less DSL coverage, faster speeds
- Monroe County, FL: more DSL coverage, faster speeds


