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In Custer County there are 3 residential Fixed Wireless providers covering 75.94% of the county. The average home can get speeds up to 67 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 Fixed Wireless internet providers in Custer County, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Custer County, SD please click below.
Custer County, SD Availability Maps
Fixed Wireless Internet Service Providers in Custer County
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 Custer County are not shown.
Custer County 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 Custer County is fixed wireless internet available?
Fixed Wireless Internet Availability Key
Fixed Wireless is available in 75.94% of Custer County. Areas in green have fixed wireless internet service, where areas in yellow or red may not. The most widely available provider is T-Mobile Home Internet. Call one of the companies with service in Custer County above to see who has service at your home.
How fast is fixed wireless internet in Custer County?
The map below shows maximum fixed wireless internet speeds by area in Custer County.
Fixed Wireless Internet Speed Key
The average Custer County home can get up to 67 Mbps on their fixed wireless internet plan. The fastest fixed wireless download speed in the county is 100 Mbps, which 42.45% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 33.49% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Custer County.
Fixed Wireless internet speeds tend to be faster in the southwest parts of Custer County, and slower in the east areas of the county.
Is fixed wireless the fastest internet I can get in Custer County?
The fastest internet for you may vary based on where in Custer County you live. In general, fiber competes most often with fixed wireless in the county.
- Fiber is the fastest internet type for 96.45% of Custer County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for 1.49%.
- Fixed wireless is fastest for 1.59%.
- Satellite internet may be the only option for less than 1% of Custer County homes.
Fixed Wireless Providers in Depth
Below you'll find which TV and internet providers offer service in Custer County, along with details on where in Custer County and at what speeds.
T-Mobile Home Internet Fixed Wireless in Custer County, SD
T-Mobile Home Internet fixed wireless coverage
About 74.43%, or 6,191 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Custer County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Custer County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Custer County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are 2 different maximum speeds throughout Custer County. The fastest plan anyone in Custer County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Custer County customers is up to 51 Mbps.
Show all download speeds
- 34.1% up to 100.0 Mbps
- 65.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Custer County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and the slowest compared to other Custer County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Custer County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 8.8 Mbps.
Show all upload speeds
- 34.1% up to 20.0 Mbps
- 65.9% up to 3.0 Mbps
EarthLink Fixed Wireless in Custer County, SD
EarthLink fixed wireless coverage
About 50.43%, or 4,195 people, have EarthLink fixed wireless internet available to them in the county. The company covers the central, north, west, northwest, northeast, south, and southeast Custer County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Custer County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Custer County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the fastest. There are 2 different maximum speeds throughout Custer County. The fastest plan anyone in Custer County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Custer County customers is up to 63 Mbps.
Show all download speeds
- 50.3% up to 100.0 Mbps
- 49.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Custer County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Custer County fixed wireless providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Custer County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 12 Mbps.
Show all upload speeds
- 50.3% up to 20.0 Mbps
- 49.7% up to 3.0 Mbps
AT&T Fixed Wireless in Custer County, SD
AT&T fixed wireless coverage
About 50.43%, or 4,195 people, have AT&T fixed wireless internet available to them in the county. The company covers the central, north, west, northwest, northeast, south, and southeast Custer County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Custer County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Custer County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the fastest. There are 2 different maximum speeds throughout Custer County. The fastest plan anyone in Custer County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Custer County customers is up to 63 Mbps.
Show all download speeds
- 50.3% up to 100.0 Mbps
- 49.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Custer County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Custer County fixed wireless providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Custer County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 12 Mbps.
Show all upload speeds
- 50.3% up to 20.0 Mbps
- 49.7% up to 3.0 Mbps
Custer County Fixed Wireless by Area
This information is most helpful to those looking for homes or considering moving to Custer County or any of the areas nearby.
How does fixed wireless internet in Custer County compare to the rest of South Dakota?
Fixed Wireless internet speeds in Custer County are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 67 Mbps in the county. The state has similar fixed wireless availability compared to the county. Average fixed wireless coverage in South Dakota is 0.00% versus 75.94% in Custer County.
What zip codes have fixed wireless internet?
Fixed Wireless internet coverage varies by zip code and neighborhood. Some examples in or around Custer County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fixed wireless internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Jackson County, SD: less fixed wireless coverage, faster speeds
- Jones County, SD: less fixed wireless coverage, slower speeds
- Brule County, SD: less fixed wireless coverage, faster speeds
- Hot Springs County, WY: more fixed wireless coverage, slower speeds
- Aurora County, SD: less fixed wireless coverage, faster speeds
- Davison County, SD: more fixed wireless coverage, faster speeds
- Hanson County, SD: less fixed wireless coverage, faster speeds
- McCook County, SD: less fixed wireless coverage, faster speeds
- Rock County, MN: more fixed wireless coverage, faster speeds
- Teton County, ID: more fixed wireless coverage, faster speeds
Counties with Similar Populations
- Amite County, MS: more fixed wireless coverage, faster speeds
- Avery County, NC: more fixed wireless coverage, slower speeds
- Benzie County, MI: more fixed wireless coverage, slower speeds
- Bertie County, NC: more fixed wireless coverage, faster speeds
- Wetzel County, WV: less fixed wireless coverage, faster speeds
- Wayne County, IL: more fixed wireless coverage, faster speeds
- Bosque County, TX: more fixed wireless coverage, faster speeds
- Andrew County, MO: more fixed wireless coverage, faster speeds
- Bledsoe County, TN: less fixed wireless coverage, faster speeds
- Amelia County, VA: more fixed wireless coverage, faster speeds