In 57751 there are 2 residential DSL providers covering 61.12% of the zip. The average home can get speeds up to 50 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 57751, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57751, SD please click below.
DSL Internet Service Providers in 57751
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 57751 are not shown.
57751 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 57751 is DSL internet available?

DSL Internet Availability Key
DSL is available in 61.12% of 57751. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Mt. Rushmore Telephone Company. Call one of the companies with service in 57751 above to see who has service at your home.
How fast is DSL internet in 57751?
The map below shows maximum DSL internet speeds by area in 57751.

DSL Internet Speed Key
The average 57751 home can get up to 50 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 100 Mbps, which 14.82% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 11.79% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 57751.
DSL internet speeds tend to be faster in the central parts of 57751, and slower in the northeast areas of the zip.
Is DSL the fastest internet I can get in 57751?
The fastest internet for you may vary based on where in 57751 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 70.47% of 57751 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for 8.63%.
- Fixed wireless is fastest for 19.44%.
- Satellite internet may be the only option for 1.46% of 57751 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 57751, along with details on where in 57751 and at what speeds.
Mt. Rushmore Telephone Company DSL in 57751, SD

Mt. Rushmore Telephone Company DSL coverage
About 46.05%, or 379 people, have Mt. Rushmore Telephone Company DSL internet available to them in the zip. The company covers the central, north, southeast, northwest, east, west, and south 57751 area. Mt. Rushmore Telephone Company is a small internet service provider internet service providers in the US, with internet service available in some of 57751.
Mt. Rushmore Telephone Company DSL download speeds
Mt. Rushmore Telephone Company is below average when comparing download speeds to all other internet providers in 57751. Versus other DSL providers in the area, Mt. Rushmore Telephone Company DSL is the fastest. There are 4 different maximum speeds throughout 57751. The fastest plan anyone in 57751 can order from Mt. Rushmore Telephone Company goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 57751 customers is up to 52 Mbps.
Show all download speeds
- 32.2% up to 100.0 Mbps
- 20.6% up to 50.0 Mbps
- 29.6% up to 25.0 Mbps
- 17.7% up to 10.0 Mbps
Mt. Rushmore Telephone Company DSL upload speeds
In 57751 download speeds tend to be faster than than upload speeds for Mt. Rushmore Telephone Company DSL. Compared to other ISPs, Mt. Rushmore Telephone Company is below average where upload speeds are concerned, and the fastest compared to other 57751 DSL providers. Mt. Rushmore Telephone Company 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 57751 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Mt. Rushmore Telephone Company customers can get speeds up to 8.5 Mbps.
Show all upload speeds
- 32.2% up to 20.0 Mbps
- 20.6% up to 5.0 Mbps
- 29.6% up to 3.0 Mbps
- 17.7% up to 1.0 Mbps
Centurylink DSL in 57751, SD

Centurylink DSL coverage
About 18.35%, or 151 people, have Centurylink DSL internet available to them in the zip. The company covers the northwest, northeast, and north 57751 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 57751.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in 57751. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are 3 different maximum speeds throughout 57751. The fastest plan anyone in 57751 can order from Centurylink goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 57751 customers is up to 37 Mbps.
Show all download speeds
- 43.0% up to 60.0 Mbps
- 19.2% up to 40.0 Mbps
- 37.7% up to 10.0 Mbps
Centurylink DSL upload speeds
In 57751 download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the slowest compared to other 57751 DSL providers. Centurylink offers 3 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 57751 is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 3.1 Mbps.
Show all upload speeds
- 43.0% up to 5.0 Mbps
- 19.2% up to 3.0 Mbps
- 37.7% up to 1.0 Mbps
57751 DSL by Area
This information is most helpful to those looking for homes or considering moving to 57751 or any of the areas nearby.
How does DSL internet in 57751 compare to the rest of South Dakota?
DSL internet speeds in 57751 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 50 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in South Dakota is 0.00% versus 61.12% in 57751.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 57751 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
- 57744, SD: less DSL coverage, slower speeds
- 57745, SD: more DSL coverage, slower speeds
- 57730, SD: less DSL coverage, slower speeds
- 57725, SD: more DSL coverage, slower speeds
- 82701, WY: less DSL coverage, slower speeds
- 57543, SD: less DSL coverage, slower speeds
- 82732, WY: more DSL coverage, slower speeds
- 57521, SD: less DSL coverage, slower speeds
- 82639, WY: more DSL coverage, slower speeds
- 57569, SD: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 46133, IN: more DSL coverage, faster speeds
- 50541, IA: more DSL coverage, slower speeds
- 50529, IA: more DSL coverage, slower speeds
- 49912, MI: more DSL coverage, slower speeds
- 49716, MI: more DSL coverage, slower speeds
- 49705, MI: less DSL coverage, faster speeds
- 49638, MI: less DSL coverage, slower speeds
- 47854, IN: less DSL coverage, slower speeds
- 47590, IN: less DSL coverage, faster speeds
- 47175, IN: more DSL coverage, faster speeds


