In Sullivan County there is 1 residential DSL provider covering 44.39% of the county. The average home can get speeds up to 106 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 Sullivan County, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in Sullivan County, MO please click below.
Sullivan County, MO Availability Maps
DSL Internet Service Provider in Sullivan 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 Sullivan County are not shown.
Sullivan 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 Sullivan County is DSL internet available?
DSL Internet Availability Key
DSL is available in 44.39% of Sullivan County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Sullivan County above to see who has service at your home.
How fast is DSL internet in Sullivan County?
The map below shows maximum DSL internet speeds by area in Sullivan County.
DSL Internet Speed Key
The average Sullivan County home can get up to 106 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 200 Mbps, which 11.22% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 7.58% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Sullivan County.
DSL internet speeds tend to be faster in the southeast parts of Sullivan County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Sullivan County?
The fastest internet for you may vary based on where in Sullivan County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 97.73% of Sullivan County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 2.27% of Sullivan County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Sullivan County, along with details on where in Sullivan County and at what speeds.
Windstream DSL in Sullivan County, MO
Windstream DSL coverage
About 44.39%, or 2,663 people, have Windstream DSL internet available to them in the county. The company covers the central, south, east, northeast, north, west, and southeast Sullivan County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in some of Sullivan County.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Sullivan County. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 5 different maximum speeds throughout Sullivan County. The fastest plan anyone in Sullivan County can order from Windstream goes up to 200 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Sullivan County customers is up to 106 Mbps.
Show all download speeds
- 25.3% up to 200.0 Mbps
- 49.5% up to 100.0 Mbps
- 8.1% up to 50.0 Mbps
- 0.1% up to 25.0 Mbps
- 17.1% up to 10.0 Mbps
Windstream DSL upload speeds
In Sullivan County download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Sullivan County DSL providers. Windstream offers 8 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 Sullivan County is up to 52 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Windstream customers can get speeds up to 31 Mbps.
Show all upload speeds
- 42.9% up to 52.0 Mbps
- 7.4% up to 32.0 Mbps
- 19.8% up to 23.0 Mbps
- 0.2% up to 20.0 Mbps
- 4.4% up to 17.0 Mbps
- 5.2% up to 12.0 Mbps
- 3.0% up to 3.0 Mbps
- 17.1% up to 1.0 Mbps
Sullivan County DSL by Area
This information is most helpful to those looking for homes or considering moving to Sullivan County or any of the areas nearby.
How does DSL internet in Sullivan County compare to the rest of Missouri?
DSL internet speeds in Sullivan County are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 106 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Missouri is 0.00% versus 44.39% in Sullivan County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Sullivan 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
- Harrison County, MO: less DSL coverage, slower speeds
- Knox County, MO: less DSL coverage, slower speeds
- Gentry County, MO: more DSL coverage, slower speeds
- Nodaway County, MO: more DSL coverage, slower speeds
- Schuyler County, IL: more DSL coverage, slower speeds
- Pawnee County, NE: more DSL coverage, slower speeds
- Mason County, IL: more DSL coverage, slower speeds
- Gage County, NE: more DSL coverage, slower speeds
- Logan County, IL: more DSL coverage, slower speeds
Counties with Similar Populations
- Van Buren County, TN: less DSL coverage, slower speeds
- Cameron Parish, LA: more DSL coverage, slower speeds
- Carbon County, MT: more DSL coverage, slower speeds
- Caribou County, ID: more DSL coverage, slower speeds
- Trousdale County, TN: more DSL coverage, slower speeds
- Union County, IA: more DSL coverage, slower speeds
- Valley County, ID: more DSL coverage, slower speeds
- Valley County, MT: more DSL coverage, slower speeds
- Valley County, NE: more DSL coverage, slower speeds
- Van Buren County, AR: more DSL coverage, slower speeds