In 57785 there are 3 residential Fiber providers covering 7.60% of the zip. The average home can get speeds up to 2,182 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 57785, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57785, SD please click below.
Fiber Internet Service Providers in 57785
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 57785 are not shown.
57785 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 57785 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 7.60% of 57785. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Midco. Call one of the companies with service in 57785 above to see who has service at your home.
How fast is fiber internet in 57785?
The map below shows maximum fiber internet speeds by area in 57785.

Fiber Internet Speed Key
The average 57785 home can get up to 2,182 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 3.01% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.86% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in 57785.
Fiber internet speeds tend to be faster in the south parts of 57785, and slower in the west areas of the zip.
Is fiber the fastest internet I can get in 57785?
The fastest internet for you may vary based on where in 57785 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 3.73% of 57785 homes.
- Cable is fastest for 83.37% of the zip.
- DSL is fastest for 2.68%.
- Fixed wireless is fastest for 7.87%.
- Satellite internet may be the only option for 2.34% of 57785 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 57785, along with details on where in 57785 and at what speeds.
Centurylink Fiber in 57785, SD

Centurylink fiber coverage
About 5.83%, or 575 people, have Centurylink fiber internet available to them in the zip. The company covers the west, southeast, central, southwest, and south 57785 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 57785.
Centurylink fiber download speeds
Centurylink is below average when comparing download speeds to all other internet providers in 57785. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 2 different maximum speeds throughout 57785. The fastest plan anyone in 57785 can order from Centurylink goes up to 2,000 Mbps, the slowest package only goes up to 100 Mbps, and the zip-wide average maximum speed for 57785 customers is up to 615 Mbps.
Show all download speeds
- 27.1% up to 2,000.0 Mbps
- 72.9% up to 100.0 Mbps
Centurylink fiber upload speeds
In 57785 download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the slowest compared to other 57785 fiber providers. Centurylink offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 57785 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Centurylink customers can get speeds up to 344 Mbps.
Show all upload speeds
- 27.1% up to 1,000.0 Mbps
- 72.9% up to 100.0 Mbps
Midco Fiber in 57785, SD

Midco fiber coverage
About 2.63%, or 259 people, have Midco fiber internet available to them in the zip. The company covers the southeast 57785 area. Midco is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 57785.
Midco fiber download speeds
Midco is one of the fastest when comparing download speeds to all other internet providers in 57785. Versus other fiber providers in the area, Midco fiber is one of the fastest. There are no different maximum speeds throughout 57785. The fastest plan anyone in 57785 can order from Midco goes up to 5,000 Mbps, and all 57785 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Midco fiber upload speeds
In 57785 download speeds tend to be equal to than upload speeds for Midco fiber. Compared to other ISPs, Midco is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 57785 fiber providers. Midco offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57785 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Quantum Fiber Fiber in 57785, SD

Quantum Fiber fiber coverage
About 2.37%, or 234 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the southeast, southwest, and south 57785 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 57785.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in 57785. Versus other fiber providers in the area, Quantum Fiber fiber is below average. There are no different maximum speeds throughout 57785. The fastest plan anyone in 57785 can order from Quantum Fiber goes up to 2,000 Mbps, and all 57785 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Quantum Fiber fiber upload speeds
In 57785 download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and below average compared to other 57785 fiber providers. Quantum Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57785 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
57785 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 57785 or any of the areas nearby.
How does fiber internet in 57785 compare to the rest of South Dakota?
Fiber internet speeds in 57785 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 2,182 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in South Dakota is 0.00% versus 7.60% in 57785.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 57785 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
- 57793, SD: less fiber coverage, faster speeds
- 57732, SD: more fiber coverage, faster speeds
- 57754, SD: less fiber coverage, faster speeds
- 57783, SD: more fiber coverage, faster speeds
- 82712, WY: more fiber coverage, slower speeds
- 82729, WY: more fiber coverage, slower speeds
- 57792, SD: more fiber coverage, slower speeds
- 82714, WY: more fiber coverage, slower speeds
- 82721, WY: more fiber coverage, slower speeds
- 57748, SD: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 01949, MA: more fiber coverage, slower speeds
- 99021, WA: less fiber coverage, slower speeds
- 94710, CA: more fiber coverage, faster speeds
- 92567, CA: more fiber coverage, faster speeds
- 92067, CA: more fiber coverage, slower speeds
- 85087, AZ: more fiber coverage, slower speeds
- 81637, CO: more fiber coverage, slower speeds
- 77995, TX: more fiber coverage, slower speeds
- 37407, TN: more fiber coverage, faster speeds
- 34434, FL: more fiber coverage, faster speeds


