In 59643 there is 1 residential DSL provider covering 27.82% of the zip. The average home can get speeds up to 42 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 59643, MT.
To see availability maps for all providers including fiber, cable, DSL, and more in 59643, MT please click below.
DSL Internet Service Provider in 59643
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 59643 are not shown.
59643 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 59643 is DSL internet available?

DSL Internet Availability Key
DSL is available in 27.82% of 59643. 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 59643 above to see who has service at your home.
How fast is DSL internet in 59643?
The map below shows maximum DSL internet speeds by area in 59643.

DSL Internet Speed Key
The average 59643 home can get up to 42 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 80 Mbps, which 1.88% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 7.74% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 59643.
DSL internet speeds tend to be faster in the northeast parts of 59643, and slower in the north areas of the zip.
Is DSL the fastest internet I can get in 59643?
The fastest internet for you may vary based on where in 59643 you live. In general, fixed wireless competes most often with DSL in the zip.
- Fiber is the fastest internet type for less than 1% of 59643 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for 25.52%.
- Fixed wireless is fastest for 68.20%.
- Satellite internet may be the only option for 6.28% of 59643 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 59643, along with details on where in 59643 and at what speeds.
Centurylink DSL in 59643, MT

Centurylink DSL coverage
About 27.82%, or 133 people, have Centurylink DSL internet available to them in the zip. The company covers the east, southeast, north, northeast, and central 59643 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 59643.
Centurylink DSL download speeds
Centurylink is the fastest when comparing download speeds to all other internet providers in 59643. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 4 different maximum speeds throughout 59643. The fastest plan anyone in 59643 can order from Centurylink goes up to 80 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 59643 customers is up to 42 Mbps.
Show all download speeds
- 6.8% up to 80.0 Mbps
- 36.8% up to 60.0 Mbps
- 28.6% up to 40.0 Mbps
- 27.8% up to 10.0 Mbps
Centurylink DSL upload speeds
In 59643 download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the fastest where upload speeds are concerned, and the fastest compared to other 59643 DSL providers. Centurylink offers 4 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 59643 is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 3.7 Mbps.
Show all upload speeds
- 6.8% up to 10.0 Mbps
- 36.8% up to 5.0 Mbps
- 28.6% up to 3.0 Mbps
- 27.8% up to 1.0 Mbps
59643 DSL by Area
This information is most helpful to those looking for homes or considering moving to 59643 or any of the areas nearby.
How does DSL internet in 59643 compare to the rest of Montana?
DSL internet speeds in 59643 are much faster versus the average speeds in Montana: 0.00 Mbps in Montana versus 42 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Montana is 0.00% versus 27.82% in 59643.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 59643 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 59632, MT: more DSL coverage, slower speeds
- 59631, MT: more DSL coverage, faster speeds
- 59086, MT: more DSL coverage, slower speeds
- 59703, MT: more DSL coverage, slower speeds
- 59748, MT: less DSL coverage, slower speeds
- 59756, MT: more DSL coverage, slower speeds
- 59711, MT: more DSL coverage, slower speeds
- 59840, MT: more DSL coverage, slower speeds
- 59024, MT: less DSL coverage, slower speeds
- 59038, MT: more DSL coverage, slower speeds
Zip Codes with Similar Populations
- 68852, NE: less DSL coverage, slower speeds
- 57067, SD: more DSL coverage, slower speeds
- 59915, MT: more DSL coverage, slower speeds
- 65614, MO: more DSL coverage, slower speeds
- 65752, MO: more DSL coverage, faster speeds
- 68016, NE: more DSL coverage, faster speeds
- 68346, NE: more DSL coverage, faster speeds
- 56754, MN: less DSL coverage, slower speeds
- 68973, NE: less DSL coverage, slower speeds
- 69043, NE: more DSL coverage, slower speeds


