In 57401 there are 2 residential DSL providers covering 93.61% 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 57401, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57401, SD please click below.
DSL Internet Service Providers in 57401
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 57401 are not shown.
57401 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 57401 is DSL internet available?
DSL Internet Availability Key
DSL is available in 93.61% of 57401. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is NVC. Call one of the companies with service in 57401 above to see who has service at your home.
How fast is DSL internet in 57401?
The map below shows maximum DSL internet speeds by area in 57401.
DSL Internet Speed Key
The average 57401 home can get up to 42 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 60 Mbps, which 20.15% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 17.10% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 57401.
DSL internet speeds tend to be faster in the northeast parts of 57401, and slower in the south areas of the zip.
Is DSL the fastest internet I can get in 57401?
The fastest internet for you may vary based on where in 57401 you live. In general, cable competes most often with DSL in the zip.
- Fiber is the fastest internet type for 3.77% of 57401 homes.
- Cable is fastest for 66.84% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 26.93%.
- Satellite internet may be the only option for 2.46% of 57401 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 57401, along with details on where in 57401 and at what speeds.
Centurylink DSL in 57401, SD
Centurylink DSL coverage
About 90.87%, or 29,285 people, have Centurylink DSL internet available to them in the zip. The company covers the entire 57401 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 57401.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in 57401. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are 3 different maximum speeds throughout 57401. The fastest plan anyone in 57401 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 57401 customers is up to 25 Mbps.
Show all download speeds
- 22.2% up to 60.0 Mbps
- 12.4% up to 40.0 Mbps
- 65.4% up to 10.0 Mbps
Centurylink DSL upload speeds
In 57401 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 57401 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 57401 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 2.1 Mbps.
Show all upload speeds
- 0.0% up to 20.0 Mbps
- 22.2% up to 5.0 Mbps
- 12.4% up to 3.0 Mbps
- 65.4% up to 1.0 Mbps
NVC DSL in 57401, SD
NVC DSL coverage
About 67.49%, or 21,750 people, have NVC DSL internet available to them in the zip. The company covers the entire 57401 area. NVC is a large internet service provider internet service providers in the US, with internet service available in much of 57401.
NVC DSL download speeds
NVC is below average when comparing download speeds to all other internet providers in 57401. Versus other DSL providers in the area, NVC DSL is the fastest. There are 2 different maximum speeds throughout 57401. The fastest plan anyone in 57401 can order from NVC goes up to 50 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 57401 customers is up to 46 Mbps.
Show all download speeds
- 84.7% up to 50.0 Mbps
- 15.3% up to 25.0 Mbps
NVC DSL upload speeds
In 57401 download speeds tend to be faster than than upload speeds for NVC DSL. Compared to other ISPs, NVC is below average where upload speeds are concerned, and the fastest compared to other 57401 DSL providers. NVC offers 2 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 57401 is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, NVC customers can get speeds up to 4.7 Mbps.
Show all upload speeds
- 84.7% up to 5.0 Mbps
- 15.3% up to 3.0 Mbps
57401 DSL by Area
This information is most helpful to those looking for homes or considering moving to 57401 or any of the areas nearby.
How does DSL internet in 57401 compare to the rest of South Dakota?
DSL internet speeds in 57401 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 42 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in South Dakota is 0.00% versus 93.61% in 57401.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 57401 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
- 57427, SD: less DSL coverage, slower speeds
- 57479, SD: less DSL coverage, faster speeds
- 57445, SD: less DSL coverage, faster speeds
- 57451, SD: less DSL coverage, slower speeds
- 57422, SD: less DSL coverage, faster speeds
- 57219, SD: less DSL coverage, faster speeds
- 56211, MN: less DSL coverage, slower speeds
- 57227, SD: less DSL coverage, faster speeds
- 56210, MN: more DSL coverage, slower speeds
- 57216, SD: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 27511, NC: less DSL coverage, faster speeds
- 90803, CA: less DSL coverage, slower speeds
- 80111, CO: more DSL coverage, faster speeds
- 97355, OR: more DSL coverage, slower speeds
- 55122, MN: more DSL coverage, faster speeds
- 53186, WI: less DSL coverage, faster speeds
- 48640, MI: less DSL coverage, faster speeds
- 48322, MI: more DSL coverage, faster speeds
- 48091, MI: less DSL coverage, faster speeds
- 46530, IN: less DSL coverage, faster speeds