In Boulder there is 1 residential DSL provider covering 84.65% of the city. The average home can get speeds up to 35 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 Boulder, MT.
To see availability maps for all providers including fiber, cable, DSL, and more in Boulder, MT please click below.
DSL Internet Service Provider in Boulder
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 Boulder are not shown.
Boulder 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 Boulder is DSL internet available?
DSL Internet Availability Key
DSL is available in 84.65% of Boulder. 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 Boulder above to see who has service at your home.
How fast is DSL internet in Boulder?
The map below shows maximum DSL internet speeds by area in Boulder.
DSL Internet Speed Key
The average Boulder home can get up to 35 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 80 Mbps, which 4.03% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 33.24% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Boulder.
DSL internet speeds tend to be faster in the northwest parts of Boulder, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Boulder?
The fastest internet for you may vary based on where in Boulder you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 13.25% of Boulder homes.
- Cable is fastest for 50.14% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 29.76%.
- Satellite internet may be the only option for 5.85% of Boulder homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Boulder, along with details on where in Boulder and at what speeds.
Centurylink DSL in Boulder, MT
Centurylink DSL coverage
About 84.65%, or 1,533 people, have Centurylink DSL internet available to them in the city. The company covers the west, central, northwest, north, southeast, south, east, and southwest Boulder area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Boulder.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Boulder. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 4 different maximum speeds throughout Boulder. The fastest plan anyone in Boulder can order from Centurylink goes up to 80 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Boulder customers is up to 35 Mbps.
Show all download speeds
- 4.8% up to 80.0 Mbps
- 24.3% up to 60.0 Mbps
- 31.6% up to 40.0 Mbps
- 39.3% up to 10.0 Mbps
Centurylink DSL upload speeds
In Boulder 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 fastest compared to other Boulder DSL providers. Centurylink offers 5 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Boulder 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 4.4 Mbps.
Show all upload speeds
- 4.5% up to 40.0 Mbps
- 0.3% up to 10.0 Mbps
- 25.5% up to 5.0 Mbps
- 30.5% up to 3.0 Mbps
- 39.3% up to 1.0 Mbps
Boulder DSL by Area
This information is most helpful to those looking for homes or considering moving to Boulder or any of the areas nearby.
How does DSL internet in Boulder compare to the rest of Montana?
DSL internet speeds in Boulder are much faster versus the average speeds in Montana: 0.00 Mbps in Montana versus 35 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Montana is 0.00% versus 84.65% in Boulder.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Boulder 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Basin, MT: less DSL coverage, faster speeds
- Jefferson City, MT: more DSL coverage, faster speeds
- Butte-Silver Bow, MT: less DSL coverage, faster speeds
- Clancy, MT: more DSL coverage, slower speeds
- Rimini, MT: more DSL coverage, faster speeds
- Montana City, MT: more DSL coverage, slower speeds
- Jefferson Island, MT: less DSL coverage, slower speeds
- Radersburg, MT: less DSL coverage, slower speeds
- Walkerville, MT: more DSL coverage, slower speeds
- Whitehall, MT: less DSL coverage, slower speeds
Cities with Similar Populations
- Pomeroy, WA: more DSL coverage, faster speeds
- Eldred, PA: less DSL coverage, faster speeds
- Northport, MI: less DSL coverage, slower speeds
- Thomasboro, IL: less DSL coverage, faster speeds
- Trout Run, PA: less DSL coverage, faster speeds
- Dortches, NC: more DSL coverage, faster speeds
- Union Mills, IN: less DSL coverage, slower speeds
- Dennis, TX: less DSL coverage, slower speeds
- Valle Vista, AZ: more DSL coverage, slower speeds
- Mears, MI: more DSL coverage, slower speeds