In 57021 there is 1 residential DSL provider covering 13.54% of the zip. The average home can get speeds up to 10 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 57021, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57021, SD please click below.
DSL Internet Service Provider in 57021
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 57021 are not shown.
57021 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 57021 is DSL internet available?
DSL Internet Availability Key
DSL is available in 13.54% of 57021. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Bluepeak. Call one of the companies with service in 57021 above to see who has service at your home.
How fast is DSL internet in 57021?
The map below shows maximum DSL internet speeds by area in 57021.
DSL Internet Speed Key
The average 57021 home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 10 Mbps, which 13.54% of residents can get.
Is DSL the fastest internet I can get in 57021?
The fastest internet for you may vary based on where in 57021 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 76.42% of 57021 homes.
- Cable is fastest for 23.58% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of 57021 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 57021, along with details on where in 57021 and at what speeds.
Bluepeak DSL in 57021, SD
Bluepeak DSL coverage
About 13.54%, or 31 people, have Bluepeak DSL internet available to them in the zip. The company covers the northeast 57021 area. Bluepeak is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 57021.
Bluepeak DSL download speeds
Bluepeak is the slowest when comparing download speeds to all other internet providers in 57021. Versus other DSL providers in the area, Bluepeak DSL is the fastest. There are no different maximum speeds throughout 57021. The fastest plan anyone in 57021 can order from Bluepeak goes up to 10 Mbps, and all 57021 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Bluepeak DSL upload speeds
In 57021 download speeds tend to be faster than than upload speeds for Bluepeak DSL. Compared to other ISPs, Bluepeak is the slowest where upload speeds are concerned, and the fastest compared to other 57021 DSL providers. Bluepeak offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57021 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
57021 DSL by Area
This information is most helpful to those looking for homes or considering moving to 57021 or any of the areas nearby.
How does DSL internet in 57021 compare to the rest of South Dakota?
DSL internet speeds in 57021 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 10 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in South Dakota is 0.00% versus 13.54% in 57021.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 57021 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
- 57036, SD: less DSL coverage, similar speeds
- 57039, SD: more DSL coverage, faster speeds
- 57070, SD: more DSL coverage, faster speeds
- 57014, SD: more DSL coverage, faster speeds
- 57077, SD: more DSL coverage, faster speeds
- 57013, SD: more DSL coverage, faster speeds
- 57027, SD: more DSL coverage, faster speeds
- 57034, SD: more DSL coverage, faster speeds
- 51240, IA: less DSL coverage, faster speeds
- 57045, SD: less DSL coverage, faster speeds
Zip Codes with Similar Populations
- 03746, NH: more DSL coverage, faster speeds
- 62459, IL: more DSL coverage, faster speeds
- 66958, KS: more DSL coverage, faster speeds
- 66944, KS: more DSL coverage, faster speeds
- 66746, KS: more DSL coverage, faster speeds
- 66527, KS: more DSL coverage, faster speeds
- 66501, KS: more DSL coverage, faster speeds
- 66113, KS: more DSL coverage, faster speeds
- 65730, MO: more DSL coverage, faster speeds
- 62639, IL: more DSL coverage, similar speeds