In Charles Mix County there are 2 residential DSL providers covering 29.03% of the county. The average home can get speeds up to 78 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 DSL internet providers in Charles Mix County, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Charles Mix County, SD please click below.
Charles Mix County, SD Availability Maps
DSL Internet Service Providers in Charles Mix 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 Charles Mix County are not shown.
Charles Mix 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 Charles Mix County is DSL internet available?
DSL Internet Availability Key
DSL is available in 29.03% of Charles Mix County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Fort Randall Telephone Company. Call one of the companies with service in Charles Mix County above to see who has service at your home.
How fast is DSL internet in Charles Mix County?
The map below shows maximum DSL internet speeds by area in Charles Mix County.
DSL Internet Speed Key
The average Charles Mix County home can get up to 78 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 16.69% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Charles Mix County.
DSL internet speeds tend to be faster in the south parts of Charles Mix County, and slower in the central areas of the county.
Is DSL the fastest internet I can get in Charles Mix County?
The fastest internet for you may vary based on where in Charles Mix County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 74.69% of Charles Mix County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for 19.41%.
- Fixed wireless is fastest for 4.73%.
- Satellite internet may be the only option for 1.17% of Charles Mix County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Charles Mix County, along with details on where in Charles Mix County and at what speeds.
Fort Randall Telephone Company DSL in Charles Mix County, SD
Fort Randall Telephone Company DSL coverage
About 18.50%, or 1,734 people, have Fort Randall Telephone Company DSL internet available to them in the county. The company covers the central, southeast, and south Charles Mix County area. Fort Randall Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a small portion of Charles Mix County.
Fort Randall Telephone Company DSL download speeds
Fort Randall Telephone Company is below average when comparing download speeds to all other internet providers in Charles Mix County. Versus other DSL providers in the area, Fort Randall Telephone Company DSL is average. There are 2 different maximum speeds throughout Charles Mix County. The fastest plan anyone in Charles Mix County can order from Fort Randall Telephone Company goes up to 100 Mbps, the slowest package only goes up to 50 Mbps, and the county-wide average maximum speed for Charles Mix County customers is up to 63 Mbps.
Show all download speeds
- 26.9% up to 100.0 Mbps
- 73.1% up to 50.0 Mbps
Fort Randall Telephone Company DSL upload speeds
In Charles Mix County download speeds tend to be faster than than upload speeds for Fort Randall Telephone Company DSL. Compared to other ISPs, Fort Randall Telephone Company is below average where upload speeds are concerned, and average compared to other Charles Mix County DSL providers. Fort Randall Telephone Company 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 Charles Mix County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Fort Randall Telephone Company customers can get speeds up to 9.0 Mbps.
Show all upload speeds
- 26.9% up to 20.0 Mbps
- 73.1% up to 5.0 Mbps
Zumbrota Telephone DSL in Charles Mix County, SD
Zumbrota Telephone DSL coverage
About 11.71%, or 1,098 people, have Zumbrota Telephone DSL internet available to them in the county. The company covers the southeast Charles Mix County area. Zumbrota Telephone is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Charles Mix County.
Zumbrota Telephone DSL download speeds
Zumbrota Telephone is below average when comparing download speeds to all other internet providers in Charles Mix County. Versus other DSL providers in the area, Zumbrota Telephone DSL is the fastest. There are no different maximum speeds throughout Charles Mix County. The fastest plan anyone in Charles Mix County can order from Zumbrota Telephone goes up to 100 Mbps, and all Charles Mix County customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Zumbrota Telephone DSL upload speeds
In Charles Mix County download speeds tend to be faster than than upload speeds for Zumbrota Telephone DSL. Compared to other ISPs, Zumbrota Telephone is below average where upload speeds are concerned, and the fastest compared to other Charles Mix County DSL providers. Zumbrota Telephone offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Charles Mix County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Charles Mix County DSL by Area
This information is most helpful to those looking for homes or considering moving to Charles Mix County or any of the areas nearby.
How does DSL internet in Charles Mix County compare to the rest of South Dakota?
DSL internet speeds in Charles Mix County are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 78 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Dakota is 0.00% versus 29.03% in Charles Mix County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Charles Mix County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Gregory County, SD: less DSL coverage, slower speeds
- Todd County, SD: more DSL coverage, slower speeds
- Sioux County, IA: less DSL coverage, slower speeds
- O'Brien County, IA: more DSL coverage, slower speeds
- Bennett County, SD: less DSL coverage, slower speeds
- Clay County, IA: more DSL coverage, slower speeds
- Palo Alto County, IA: more DSL coverage, slower speeds
- Oglala Lakota County, SD: more DSL coverage, slower speeds
- Kossuth County, IA: more DSL coverage, slower speeds
- Hancock County, IA: more DSL coverage, slower speeds
Counties with Similar Populations
- Hale County, AL: more DSL coverage, slower speeds
- Park County, CO: more DSL coverage, slower speeds
- Hooker County, NE: less DSL coverage, slower speeds
- Haywood County, TN: more DSL coverage, slower speeds
- Hart County, KY: less DSL coverage, slower speeds
- Harrison County, IA: more DSL coverage, faster speeds
- Hardy County, WV: more DSL coverage, slower speeds
- Harding County, NM: less DSL coverage, slower speeds
- Hansford County, TX: more DSL coverage, slower speeds
- Hancock County, GA: more DSL coverage, slower speeds