In Knox County there is 1 residential DSL provider covering 30.66% of the county. The average home can get speeds up to 42 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 Knox County, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in Knox County, MO please click below.
Knox County, MO Availability Maps
DSL Internet Service Provider in Knox 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 Knox County are not shown.
Knox 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 Knox County is DSL internet available?

DSL Internet Availability Key
DSL is available in 30.66% of Knox County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Mark Twain. Call one of the companies with service in Knox County above to see who has service at your home.
How fast is DSL internet in Knox County?
The map below shows maximum DSL internet speeds by area in Knox County.

DSL Internet Speed Key
The average Knox County home can get up to 42 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 50 Mbps, which 24.01% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.98% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Knox County.
DSL internet speeds tend to be faster in the west parts of Knox County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Knox County?
The fastest internet for you may vary based on where in Knox County you live. In general, fixed wireless competes most often with DSL in the county.
- Fiber is the fastest internet type for 33.12% of Knox County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for 22.92%.
- Fixed wireless is fastest for 43.40%.
- Satellite internet may be the only option for less than 1% of Knox County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Knox County, along with details on where in Knox County and at what speeds.
Mark Twain DSL in Knox County, MO

Mark Twain DSL coverage
About 30.40%, or 1,138 people, have Mark Twain DSL internet available to them in the county. The company covers the northwest, west, southwest, south, north, southeast, and east Knox County area. Mark Twain is a large internet service provider internet service providers in the US, with internet service available in a small portion of Knox County.
Mark Twain DSL download speeds
Mark Twain is below average when comparing download speeds to all other internet providers in Knox County. Versus other DSL providers in the area, Mark Twain DSL is the fastest. There are 3 different maximum speeds throughout Knox County. The fastest plan anyone in Knox County can order from Mark Twain goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Knox County customers is up to 42 Mbps.
Show all download speeds
- 79.0% up to 50.0 Mbps
- 2.2% up to 25.0 Mbps
- 18.8% up to 10.0 Mbps
Mark Twain DSL upload speeds
In Knox County download speeds tend to be faster than than upload speeds for Mark Twain DSL. Compared to other ISPs, Mark Twain is below average where upload speeds are concerned, and the fastest compared to other Knox County DSL providers. Mark Twain offers 3 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 Knox County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Mark Twain customers can get speeds up to 8.2 Mbps.
Show all upload speeds
- 79.0% up to 10.0 Mbps
- 2.2% up to 3.0 Mbps
- 18.8% up to 1.0 Mbps
Knox County DSL by Area
This information is most helpful to those looking for homes or considering moving to Knox County or any of the areas nearby.
How does DSL internet in Knox County compare to the rest of Missouri?
DSL internet speeds in Knox County are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 42 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Missouri is 0.00% versus 30.66% in Knox County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Knox 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
- Adair County, MO: more DSL coverage, slower speeds
- Lewis County, MO: more DSL coverage, faster speeds
- Sullivan County, MO: more DSL coverage, faster speeds
- Grundy County, MO: more DSL coverage, slower speeds
- Schuyler County, IL: more DSL coverage, slower speeds
- Mason County, IL: more DSL coverage, slower speeds
- Gentry County, MO: more DSL coverage, faster speeds
- Logan County, IL: more DSL coverage, slower speeds
- Holt County, MO: more DSL coverage, slower speeds
- De Witt County, IL: more DSL coverage, slower speeds
Counties with Similar Populations
- McLean County, KY: more DSL coverage, slower speeds
- McLean County, ND: less DSL coverage, faster speeds
- McMullen County, TX: more DSL coverage, slower speeds
- McPherson County, NE: more DSL coverage, slower speeds
- Meagher County, MT: less DSL coverage, slower speeds
- Meigs County, TN: more DSL coverage, slower speeds
- Mellette County, SD: more DSL coverage, slower speeds
- Menard County, IL: more DSL coverage, slower speeds
- Menard County, TX: more DSL coverage, slower speeds
- Oglala Lakota County, SD: more DSL coverage, slower speeds


