In 57366 there are 2 residential Fiber providers covering 97.11% 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 57366, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57366, SD please click below.
Fiber Internet Service Providers in 57366
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 57366 are not shown.
57366 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 57366 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 97.11% of 57366. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Santel Communications. Call one of the companies with service in 57366 above to see who has service at your home.
How fast is fiber internet in 57366?
The map below shows maximum fiber internet speeds by area in 57366.
Fiber Internet Speed Key
The average 57366 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 97.11% of residents can get.
Is fiber the fastest internet I can get in 57366?
The fastest internet for you may vary based on where in 57366 you live. In general, satellite competes most often with fiber in the zip.
- Fiber is the fastest internet type for 97.11% of 57366 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 2.89% of 57366 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 57366, along with details on where in 57366 and at what speeds.
Santel Communications Fiber in 57366, SD
Santel Communications fiber coverage
About 92.34%, or 2,206 people, have Santel Communications fiber internet available to them in the zip. The company covers the entire 57366 area. Santel Communications is a small internet service provider internet service providers in the US, with internet service available in most of 57366.
Santel Communications fiber download speeds
Santel Communications is one of the fastest when comparing download speeds to all other internet providers in 57366. Versus other fiber providers in the area, Santel Communications fiber is one of the fastest. There are no different maximum speeds throughout 57366. The fastest plan anyone in 57366 can order from Santel Communications goes up to 1,000 Mbps, and all 57366 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Santel Communications fiber upload speeds
In 57366 download speeds tend to be equal to than upload speeds for Santel Communications fiber. Compared to other ISPs, Santel Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 57366 fiber providers. Santel Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57366 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
TrioTel Communications Fiber in 57366, SD
TrioTel Communications fiber coverage
About 4.77%, or 114 people, have TrioTel Communications fiber internet available to them in the zip. The company covers the northeast 57366 area. TrioTel Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of 57366.
TrioTel Communications fiber download speeds
TrioTel Communications is one of the fastest when comparing download speeds to all other internet providers in 57366. Versus other fiber providers in the area, TrioTel Communications fiber is one of the fastest. There are no different maximum speeds throughout 57366. The fastest plan anyone in 57366 can order from TrioTel Communications goes up to 1,000 Mbps, and all 57366 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TrioTel Communications fiber upload speeds
In 57366 download speeds tend to be equal to than upload speeds for TrioTel Communications fiber. Compared to other ISPs, TrioTel Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 57366 fiber providers. TrioTel Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57366 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
57366 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 57366 or any of the areas nearby.
How does fiber internet in 57366 compare to the rest of South Dakota?
Fiber internet speeds in 57366 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 97.11% in 57366.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 57366 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
- 57331, SD: more fiber coverage, similar speeds
- 57334, SD: more fiber coverage, similar speeds
- 57052, SD: more fiber coverage, similar speeds
- 57313, SD: more fiber coverage, similar speeds
- 57332, SD: less fiber coverage, similar speeds
- 57328, SD: more fiber coverage, similar speeds
- 57029, SD: more fiber coverage, faster speeds
- 57319, SD: more fiber coverage, similar speeds
- 57375, SD: more fiber coverage, similar speeds
- 57344, SD: more fiber coverage, similar speeds
Zip Codes with Similar Populations
- 98592, WA: less fiber coverage, faster speeds
- 54410, WI: less fiber coverage, similar speeds
- 75661, TX: less fiber coverage, similar speeds
- 75931, TX: less fiber coverage, similar speeds
- 36080, AL: less fiber coverage, similar speeds
- 32949, FL: less fiber coverage, faster speeds
- 29742, SC: less fiber coverage, faster speeds
- 76837, TX: less fiber coverage, faster speeds
- 76936, TX: less fiber coverage, faster speeds
- 85630, AZ: less fiber coverage, similar speeds