In 57641 there are 2 residential Fiber providers covering 60.83% of the zip. The average home can get speeds up to 202 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 Fiber internet providers in 57641, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57641, SD please click below.
Fiber Internet Service Providers in 57641
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 57641 are not shown.
57641 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 57641 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 60.83% of 57641. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is WRT. Call one of the companies with service in 57641 above to see who has service at your home.
How fast is fiber internet in 57641?
The map below shows maximum fiber internet speeds by area in 57641.
Fiber Internet Speed Key
The average 57641 home can get up to 202 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 1,000 Mbps, which 6.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 53.92% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in 57641.
Fiber internet speeds tend to be faster in the northwest parts of 57641, and slower in the central areas of the zip.
Is fiber the fastest internet I can get in 57641?
The fastest internet for you may vary based on where in 57641 you live. In general, fixed wireless competes most often with fiber in the zip.
- Fiber is the fastest internet type for 58.99% of 57641 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 32.26%.
- Satellite internet may be the only option for 8.76% of 57641 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 57641, along with details on where in 57641 and at what speeds.
West River Cooperative Telephone Fiber in 57641, SD
West River Cooperative Telephone fiber coverage
About 53.92%, or 117 people, have West River Cooperative Telephone fiber internet available to them in the zip. The company covers the central, west, north, and northwest 57641 area. West River Cooperative Telephone is a small internet service provider internet service providers in the US, with internet service available in a majority of 57641.
West River Cooperative Telephone fiber download speeds
West River Cooperative Telephone is below average when comparing download speeds to all other internet providers in 57641. Versus other fiber providers in the area, West River Cooperative Telephone fiber is the slowest. There are no different maximum speeds throughout 57641. The fastest plan anyone in 57641 can order from West River Cooperative Telephone goes up to 100 Mbps, and all 57641 customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
West River Cooperative Telephone fiber upload speeds
In 57641 download speeds tend to be equal to than upload speeds for West River Cooperative Telephone fiber. Compared to other ISPs, West River Cooperative Telephone is below average where upload speeds are concerned, and the slowest compared to other 57641 fiber providers. West River Cooperative Telephone offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57641 is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
WRT Fiber in 57641, SD
WRT fiber coverage
About 6.91%, or 15 people, have WRT fiber internet available to them in the zip. The company covers the northwest 57641 area. WRT is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of 57641.
WRT fiber download speeds
WRT is the fastest when comparing download speeds to all other internet providers in 57641. Versus other fiber providers in the area, WRT fiber is the fastest. There are no different maximum speeds throughout 57641. The fastest plan anyone in 57641 can order from WRT goes up to 1,000 Mbps, and all 57641 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
WRT fiber upload speeds
In 57641 download speeds tend to be equal to than upload speeds for WRT fiber. Compared to other ISPs, WRT is the fastest where upload speeds are concerned, and the fastest compared to other 57641 fiber providers. WRT offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57641 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
57641 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 57641 or any of the areas nearby.
How does fiber internet in 57641 compare to the rest of South Dakota?
Fiber internet speeds in 57641 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 202 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in South Dakota is 0.00% versus 60.83% in 57641.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 57641 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- 57645, SD: less fiber coverage, faster speeds
- 57634, SD: more fiber coverage, faster speeds
- 57642, SD: more fiber coverage, faster speeds
- 57638, SD: more fiber coverage, faster speeds
- 57648, SD: more fiber coverage, faster speeds
- 57632, SD: more fiber coverage, faster speeds
- 58639, ND: more fiber coverage, faster speeds
- 58542, ND: more fiber coverage, faster speeds
- 58581, ND: more fiber coverage, faster speeds
- 57650, SD: more fiber coverage, faster speeds
Zip Codes with Similar Populations
- 56226, MN: more fiber coverage, faster speeds
- 50570, IA: less fiber coverage, faster speeds
- 50582, IA: less fiber coverage, faster speeds
- 51044, IA: more fiber coverage, faster speeds
- 51242, IA: more fiber coverage, faster speeds
- 51645, IA: more fiber coverage, faster speeds
- 54654, WI: more fiber coverage, faster speeds
- 99547, AK: more fiber coverage, slower speeds
- 56153, MN: more fiber coverage, faster speeds
- 50545, IA: less fiber coverage, faster speeds