In Harrisburg there are 4 residential Fiber providers covering 29.33% of the city. The average home can get speeds up to 3,365 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 Harrisburg, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Harrisburg, SD please click below.
Harrisburg, SD Availability Maps
Fiber Internet Service Providers in Harrisburg
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 Harrisburg are not shown.
Harrisburg 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 Harrisburg is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 29.33% of Harrisburg. 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 Harrisburg above to see who has service at your home.
How fast is fiber internet in Harrisburg?
The map below shows maximum fiber internet speeds by area in Harrisburg.
Fiber Internet Speed Key
The average Harrisburg home can get up to 3,365 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 17.34% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 11.99% 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 Harrisburg.
Fiber internet speeds tend to be faster in the west parts of Harrisburg, and slower in the southeast areas of the city.
Is fiber the fastest internet I can get in Harrisburg?
The fastest internet for you may vary based on where in Harrisburg you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 23.45% of Harrisburg homes.
- Cable is fastest for 76.19% of the city.
- 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 Harrisburg homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Harrisburg, along with details on where in Harrisburg and at what speeds.
Alliance Communications Fiber in Harrisburg, SD
Alliance Communications fiber coverage
About 17.79%, or 1,554 people, have Alliance Communications fiber internet available to them in the city. The company covers the northeast, southeast, east, southwest, south, and west Harrisburg area. Alliance Communications is a large internet service provider internet service providers in the US, with internet service available in a small portion of Harrisburg.
Alliance Communications fiber download speeds
Alliance Communications is above average when comparing download speeds to all other internet providers in Harrisburg. Versus other fiber providers in the area, Alliance Communications fiber is one of the slowest. There are no different maximum speeds throughout Harrisburg. The fastest plan anyone in Harrisburg can order from Alliance Communications goes up to 1,000 Mbps, and all Harrisburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Alliance Communications fiber upload speeds
In Harrisburg 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 one of the slowest compared to other Harrisburg fiber providers. Alliance Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harrisburg 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 Harrisburg, SD
Midco fiber coverage
About 17.34%, or 1,514 people, have Midco fiber internet available to them in the city. The company covers the west, northeast, northwest, south, southwest, and central Harrisburg area. Midco is a large internet service provider internet service providers in the US, with internet service available in a small portion of Harrisburg.
Midco fiber download speeds
Midco is the fastest when comparing download speeds to all other internet providers in Harrisburg. Versus other fiber providers in the area, Midco fiber is the fastest. There are no different maximum speeds throughout Harrisburg. The fastest plan anyone in Harrisburg can order from Midco goes up to 5,000 Mbps, and all Harrisburg customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Midco fiber upload speeds
In Harrisburg 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 Harrisburg fiber providers. Midco offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harrisburg 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 Harrisburg, SD
Quantum Fiber fiber coverage
About 3.93%, or 343 people, have Quantum Fiber fiber internet available to them in the city. The company covers the west Harrisburg 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 Harrisburg.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in Harrisburg. Versus other fiber providers in the area, Quantum Fiber fiber is below average. There are no different maximum speeds throughout Harrisburg. The fastest plan anyone in Harrisburg can order from Quantum Fiber goes up to 2,000 Mbps, and all Harrisburg customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Quantum Fiber fiber upload speeds
In Harrisburg 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 one of the slowest compared to other Harrisburg fiber providers. Quantum Fiber offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harrisburg is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Centurylink Fiber in Harrisburg, SD
Centurylink fiber coverage
About 3.93%, or 343 people, have Centurylink fiber internet available to them in the city. The company covers the west Harrisburg 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 Harrisburg.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in Harrisburg. Versus other fiber providers in the area, Centurylink fiber is one of the slowest. There are no different maximum speeds throughout Harrisburg. The fastest plan anyone in Harrisburg can order from Centurylink goes up to 1,000 Mbps, and all Harrisburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Centurylink fiber upload speeds
In Harrisburg download speeds tend to be equal to than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and one of the slowest compared to other Harrisburg fiber providers. Centurylink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harrisburg is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Harrisburg Fiber by Area
This information is most helpful to those looking for homes or considering moving to Harrisburg or any of the areas nearby.
How does fiber internet in Harrisburg compare to the rest of South Dakota?
Fiber internet speeds in Harrisburg are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 3,365 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in South Dakota is 0.00% versus 29.33% in Harrisburg.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Harrisburg 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Sioux Falls, SD: more fiber coverage, faster speeds
- Tea, SD: less fiber coverage, slower speeds
- Pine Lakes Addition, SD: more fiber coverage, faster speeds
- Worthing, SD: more fiber coverage, faster speeds
- Canton, SD: less fiber coverage, slower speeds
- Rowena, SD: more fiber coverage, slower speeds
- Lennox, SD: less fiber coverage, slower speeds
- Brandon, SD: more fiber coverage, faster speeds
- Larchwood, IA: more fiber coverage, slower speeds
- Buffalo Ridge, SD: more fiber coverage, slower speeds
Cities with Similar Populations
- Nyack, NY: more fiber coverage, faster speeds
- New Tazewell, TN: more fiber coverage, slower speeds
- Newland, NC: more fiber coverage, slower speeds
- Newmarket, NH: more fiber coverage, slower speeds
- Newport, AR: more fiber coverage, faster speeds
- Newtonville, MA: more fiber coverage, slower speeds
- Nokesville, VA: more fiber coverage, slower speeds
- North Chili, NY: more fiber coverage, faster speeds
- North Gates, NY: more fiber coverage, faster speeds
- North Madison, OH: more fiber coverage, slower speeds