In Alcester there are 2 residential Fiber providers covering 99.18% of the city. 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 Alcester, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Alcester, SD please click below.
Alcester, SD Availability Maps
Fiber Internet Service Providers in Alcester
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 Alcester are not shown.
Alcester 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 Alcester is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 99.18% of Alcester. 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 Alcester above to see who has service at your home.
How fast is fiber internet in Alcester?
The map below shows maximum fiber internet speeds by area in Alcester.

Fiber Internet Speed Key
The average Alcester home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 99.18% of residents can get.
Is fiber the fastest internet I can get in Alcester?
The fastest internet for you may vary based on where in Alcester you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 99.18% of Alcester homes.
- Cable is fastest for less than 1% 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 Alcester homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Alcester, along with details on where in Alcester and at what speeds.
Alliance Communications Fiber in Alcester, SD

Alliance Communications fiber coverage
About 77.19%, or 941 people, have Alliance Communications fiber internet available to them in the city. The company covers the central, north, west, northwest, southwest, northeast, southeast, and east Alcester area. Alliance Communications is a large internet service provider internet service providers in the US, with internet service available in much of Alcester.
Alliance Communications fiber download speeds
Alliance Communications is one of the fastest when comparing download speeds to all other internet providers in Alcester. Versus other fiber providers in the area, Alliance Communications fiber is one of the fastest. There are no different maximum speeds throughout Alcester. The fastest plan anyone in Alcester can order from Alliance Communications goes up to 1,000 Mbps, and all Alcester customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Alliance Communications fiber upload speeds
In Alcester download speeds tend to be equal to than upload speeds for Alliance Communications fiber. Compared to other ISPs, Alliance Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Alcester fiber providers. Alliance Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alcester is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Premier Communications Fiber in Alcester, SD

Premier Communications fiber coverage
About 23.54%, or 287 people, have Premier Communications fiber internet available to them in the city. The company covers the east, northeast, southwest, southeast, and south Alcester area. Premier Communications is a large internet service provider internet service providers in the US, with internet service available in a small portion of Alcester.
Premier Communications fiber download speeds
Premier Communications is one of the fastest when comparing download speeds to all other internet providers in Alcester. Versus other fiber providers in the area, Premier Communications fiber is one of the fastest. There are no different maximum speeds throughout Alcester. The fastest plan anyone in Alcester can order from Premier Communications goes up to 1,000 Mbps, and all Alcester customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Premier Communications fiber upload speeds
In Alcester download speeds tend to be equal to than upload speeds for Premier Communications fiber. Compared to other ISPs, Premier Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Alcester fiber providers. Premier Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alcester is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Alcester Fiber by Area
This information is most helpful to those looking for homes or considering moving to Alcester or any of the areas nearby.
How does fiber internet in Alcester compare to the rest of South Dakota?
Fiber internet speeds in Alcester are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in South Dakota is 0.00% versus 99.18% in Alcester.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Alcester 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
- Big Springs, SD: more fiber coverage, similar speeds
- Emmet, SD: more fiber coverage, similar speeds
- Norway Center, SD: more fiber coverage, similar speeds
- Hawarden, IA: less fiber coverage, similar speeds
- Nora, SD: less fiber coverage, similar speeds
- Akron, SD: less fiber coverage, similar speeds
- Chatsworth, IA: more fiber coverage, similar speeds
- Beresford, SD: less fiber coverage, similar speeds
- Hudson, SD: more fiber coverage, similar speeds
- Moe, SD: more fiber coverage, similar speeds
Cities with Similar Populations
- Mantua, UT: less fiber coverage, faster speeds
- Section Thirty, MN: less fiber coverage, faster speeds
- Sutton, AK: less fiber coverage, similar speeds
- Peacocks Crossroads, NC: less fiber coverage, similar speeds
- Hot Springs, MT: less fiber coverage, slower speeds
- Leland, MI: less fiber coverage, similar speeds
- La Grulla, TX: less fiber coverage, faster speeds
- Calvert, TX: less fiber coverage, similar speeds
- Trout Creek, MT: less fiber coverage, similar speeds
- Thompson, MO: less fiber coverage, similar speeds


