In 57055 there are 2 residential Fiber providers covering 79.15% of the zip. The average home can get speeds up to 1,465 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 57055, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in 57055, SD please click below.
Fiber Internet Service Providers in 57055
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 57055 are not shown.
57055 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 57055 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 79.15% of 57055. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Alliance Communications. Call one of the companies with service in 57055 above to see who has service at your home.
How fast is fiber internet in 57055?
The map below shows maximum fiber internet speeds by area in 57055.
Fiber Internet Speed Key
The average 57055 home can get up to 1,465 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 9.21% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 69.94% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 57055.
Fiber internet speeds tend to be faster in the east parts of 57055, and slower in the southwest areas of the zip.
Is fiber the fastest internet I can get in 57055?
The fastest internet for you may vary based on where in 57055 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 39.10% of 57055 homes.
- Cable is fastest for 58.82% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.39%.
- Satellite internet may be the only option for less than 1% of 57055 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 57055, along with details on where in 57055 and at what speeds.
Alliance Communications Fiber in 57055, SD
Alliance Communications fiber coverage
About 79.15%, or 911 people, have Alliance Communications fiber internet available to them in the zip. The company covers the northeast, southwest, northwest, southeast, east, west, central, and north 57055 area. Alliance Communications is a large internet service provider internet service providers in the US, with internet service available in much of 57055.
Alliance Communications fiber download speeds
Alliance Communications is average when comparing download speeds to all other internet providers in 57055. Versus other fiber providers in the area, Alliance Communications fiber is the slowest. There are no different maximum speeds throughout 57055. The fastest plan anyone in 57055 can order from Alliance Communications goes up to 1,000 Mbps, and all 57055 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Alliance Communications fiber upload speeds
In 57055 download speeds tend to be equal to than upload speeds for Alliance Communications fiber. Compared to other ISPs, Alliance Communications is above average where upload speeds are concerned, and the slowest compared to other 57055 fiber providers. Alliance Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57055 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Midco Fiber in 57055, SD
Midco fiber coverage
About 9.21%, or 106 people, have Midco fiber internet available to them in the zip. The company covers the east and northeast 57055 area. Midco is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 57055.
Midco fiber download speeds
Midco is the fastest when comparing download speeds to all other internet providers in 57055. Versus other fiber providers in the area, Midco fiber is the fastest. There are no different maximum speeds throughout 57055. The fastest plan anyone in 57055 can order from Midco goes up to 5,000 Mbps, and all 57055 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Midco fiber upload speeds
In 57055 download speeds tend to be equal to than upload speeds for Midco fiber. Compared to other ISPs, Midco is the fastest where upload speeds are concerned, and the fastest compared to other 57055 fiber providers. Midco offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 57055 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
57055 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 57055 or any of the areas nearby.
How does fiber internet in 57055 compare to the rest of South Dakota?
Fiber internet speeds in 57055 are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 1,465 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in South Dakota is 0.00% versus 79.15% in 57055.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 57055 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
- 57020, SD: more fiber coverage, slower speeds
- 57003, SD: more fiber coverage, slower speeds
- 57104, SD: less fiber coverage, faster speeds
- 57107, SD: less fiber coverage, faster speeds
- 57041, SD: more fiber coverage, slower speeds
- 57005, SD: more fiber coverage, faster speeds
- 57103, SD: less fiber coverage, faster speeds
- 57105, SD: more fiber coverage, faster speeds
- 57110, SD: less fiber coverage, faster speeds
- 57030, SD: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 81236, CO: less fiber coverage, slower speeds
- 17037, PA: less fiber coverage, slower speeds
- 26559, WV: more fiber coverage, faster speeds
- 26610, WV: more fiber coverage, slower speeds
- 27919, NC: more fiber coverage, faster speeds
- 27946, NC: more fiber coverage, faster speeds
- 28363, NC: less fiber coverage, slower speeds
- 29843, SC: more fiber coverage, slower speeds
- 78850, TX: more fiber coverage, faster speeds
- 79042, TX: more fiber coverage, slower speeds