In 57258 there is 1 residential Fiber provider covering 74.75% of the zip. The average home can get speeds up to 1,000 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 57258, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57258, SD please click below.
Fiber Internet Service Provider in 57258
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 57258 are not shown.
57258 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 57258 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 74.75% of 57258. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is ITC. Call one of the companies with service in 57258 above to see who has service at your home.
How fast is fiber internet in 57258?
The map below shows maximum fiber internet speeds by area in 57258.
Fiber Internet Speed Key
The average 57258 home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 1,000 Mbps, which 74.75% of residents can get.
Is fiber the fastest internet I can get in 57258?
The fastest internet for you may vary based on where in 57258 you live. In general, satellite competes most often with fiber in the zip.
- Fiber is the fastest internet type for 74.75% of 57258 homes.
- Cable is fastest for less than 1% 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 25.25% of 57258 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 57258, along with details on where in 57258 and at what speeds.
Interstate Telecommunications Cooperative Fiber in 57258, SD
ITC fiber coverage
About 74.75%, or 299 people, have ITC fiber internet available to them in the zip. The company covers the entire 57258 area. ITC is a large internet service provider internet service providers in the US, with internet service available in much of 57258.
Interstate Telecommunications Cooperative fiber download speeds
ITC is the fastest when comparing download speeds to all other internet providers in 57258. Versus other fiber providers in the area, ITC fiber is the fastest. There are no different maximum speeds throughout 57258. The fastest plan anyone in 57258 can order from ITC goes up to 1,000 Mbps, and all 57258 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Interstate Telecommunications Cooperative fiber upload speeds
In 57258 download speeds tend to be equal to than upload speeds for ITC fiber. Compared to other ISPs, ITC is the fastest where upload speeds are concerned, and the fastest compared to other 57258 fiber providers. ITC offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57258 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
57258 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 57258 or any of the areas nearby.
How does fiber internet in 57258 compare to the rest of South Dakota?
Fiber internet speeds in 57258 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 1,000 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in South Dakota is 0.00% versus 74.75% in 57258.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 57258 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
- 57436, SD: more fiber coverage, similar speeds
- 57225, SD: more fiber coverage, similar speeds
- 57440, SD: more fiber coverage, similar speeds
- 57236, SD: more fiber coverage, similar speeds
- 57271, SD: more fiber coverage, similar speeds
- 57243, SD: more fiber coverage, similar speeds
- 57242, SD: more fiber coverage, similar speeds
- 57469, SD: more fiber coverage, similar speeds
- 57476, SD: more fiber coverage, similar speeds
- 57201, SD: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 41317, KY: more fiber coverage, similar speeds
- 80649, CO: more fiber coverage, similar speeds
- 47866, IN: more fiber coverage, similar speeds
- 47525, IN: more fiber coverage, similar speeds
- 47449, IN: less fiber coverage, similar speeds
- 46111, IN: more fiber coverage, faster speeds
- 45673, OH: more fiber coverage, similar speeds
- 45621, OH: more fiber coverage, faster speeds
- 44045, OH: more fiber coverage, faster speeds
- 41632, KY: more fiber coverage, similar speeds