In 57439 there is 1 residential Fiber provider covering 100.00% 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 57439, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57439, SD please click below.
Fiber Internet Service Provider in 57439
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 57439 are not shown.
57439 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 57439 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 100.00% of 57439. Areas in green have fiber 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 57439 above to see who has service at your home.
How fast is fiber internet in 57439?
The map below shows maximum fiber internet speeds by area in 57439.
Fiber Internet Speed Key
The average 57439 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 100.00% of residents can get.
Is fiber the fastest internet I can get in 57439?
The fastest internet for you may vary based on where in 57439 you live. In general, satellite competes most often with fiber in the zip.
- Fiber is the fastest internet type for 100.00% of 57439 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 less than 1% of 57439 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 57439, along with details on where in 57439 and at what speeds.
NVC Fiber in 57439, SD
NVC fiber coverage
About 100.00%, or 42 people, have NVC fiber internet available to them in the zip. The company covers the entire 57439 area. NVC is a large internet service provider internet service providers in the US, with internet service available in every corner of 57439.
NVC fiber download speeds
NVC is the fastest when comparing download speeds to all other internet providers in 57439. Versus other fiber providers in the area, NVC fiber is the fastest. There are no different maximum speeds throughout 57439. The fastest plan anyone in 57439 can order from NVC goes up to 1,000 Mbps, and all 57439 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
NVC fiber upload speeds
In 57439 download speeds tend to be faster than than upload speeds for NVC fiber. Compared to other ISPs, NVC is the fastest where upload speeds are concerned, and the fastest compared to other 57439 fiber providers. NVC offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57439 is up to 200 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 200.0 Mbps
57439 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 57439 or any of the areas nearby.
How does fiber internet in 57439 compare to the rest of South Dakota?
Fiber internet speeds in 57439 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 100.00% in 57439.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 57439 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
- 57445, SD: less fiber coverage, faster speeds
- 57474, SD: less fiber coverage, similar speeds
- 57422, SD: less fiber coverage, similar speeds
- 57427, SD: less fiber coverage, similar speeds
- 57219, SD: less fiber coverage, similar speeds
- 57468, SD: less fiber coverage, similar speeds
- 57479, SD: less fiber coverage, similar speeds
- 57401, SD: less fiber coverage, faster speeds
- 57460, SD: equal fiber coverage, similar speeds
- 57274, SD: less fiber coverage, similar speeds
Zip Codes with Similar Populations
- 79259, TX: less fiber coverage, similar speeds
- 58323, ND: less fiber coverage, similar speeds
- 58452, ND: equal fiber coverage, faster speeds
- 59076, MT: less fiber coverage, similar speeds
- 59333, MT: less fiber coverage, similar speeds
- 59642, MT: less fiber coverage, slower speeds
- 59933, MT: less fiber coverage, similar speeds
- 61562, IL: equal fiber coverage, similar speeds
- 62961, IL: equal fiber coverage, faster speeds
- 64420, MO: equal fiber coverage, similar speeds