In Madison there is 1 residential DSL provider covering 89.77% of the city. The average home can get speeds up to 12 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 Madison, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Madison, SD please click below.
DSL Internet Service Provider in Madison
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 Madison are not shown.
Madison 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 Madison is DSL internet available?
DSL Internet Availability Key
DSL is available in 89.77% of Madison. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in Madison above to see who has service at your home.
How fast is DSL internet in Madison?
The map below shows maximum DSL internet speeds by area in Madison.
DSL Internet Speed Key
The average Madison home can get up to 12 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 60 Mbps, which 2.08% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 85.83% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Madison.
DSL internet speeds tend to be faster in the southwest parts of Madison, and slower in the central areas of the city.
Is DSL the fastest internet I can get in Madison?
The fastest internet for you may vary based on where in Madison you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 8.83% of Madison homes.
- Cable is fastest for 85.38% 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 5.65% of Madison homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Madison, along with details on where in Madison and at what speeds.
Centurylink DSL in Madison, SD
Centurylink DSL coverage
About 89.77%, or 6,373 people, have Centurylink DSL internet available to them in the city. The company covers the entire Madison area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Madison.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Madison. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 3 different maximum speeds throughout Madison. The fastest plan anyone in Madison can order from Centurylink goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Madison customers is up to 12 Mbps.
Show all download speeds
- 2.3% up to 60.0 Mbps
- 2.1% up to 40.0 Mbps
- 95.6% up to 10.0 Mbps
Centurylink DSL upload speeds
In Madison download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other Madison DSL providers. Centurylink offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Madison is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 2.5% up to 5.0 Mbps
- 1.9% up to 3.0 Mbps
- 95.6% up to 1.0 Mbps
Madison DSL by Area
This information is most helpful to those looking for homes or considering moving to Madison or any of the areas nearby.
How does DSL internet in Madison compare to the rest of South Dakota?
DSL internet speeds in Madison are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 12 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in South Dakota is 0.00% versus 89.77% in Madison.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Madison 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 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
- Prairie Village, SD: more DSL coverage, faster speeds
- Junius, SD: less DSL coverage, slower speeds
- Wentworth, SD: less DSL coverage, slower speeds
- Orland, SD: less DSL coverage, slower speeds
- Rutland, SD: less DSL coverage, faster speeds
- Chester, SD: less DSL coverage, slower speeds
- Nunda, SD: less DSL coverage, slower speeds
- Colman, SD: less DSL coverage, faster speeds
- Sinai, SD: less DSL coverage, slower speeds
- Oldham, SD: less DSL coverage, slower speeds
Cities with Similar Populations
- Claxton, GA: less DSL coverage, slower speeds
- Coldwater, MS: less DSL coverage, faster speeds
- Cold Spring, MN: more DSL coverage, faster speeds
- Wilton, CA: less DSL coverage, faster speeds
- Cocoa West, FL: less DSL coverage, faster speeds
- Coats, NC: less DSL coverage, faster speeds
- Coal Township, PA: less DSL coverage, faster speeds
- Clyde, TX: less DSL coverage, faster speeds
- Clintonville, WI: less DSL coverage, faster speeds
- Clinton, IN: less DSL coverage, slower speeds