In Charleston there is 1 residential DSL provider covering 61.83% of the city. The average home can get speeds up to 166 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 Charleston, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Charleston, IL please click below.
Charleston, IL Availability Maps
DSL Internet Service Provider in Charleston
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 Charleston are not shown.
Charleston 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 Charleston is DSL internet available?
DSL Internet Availability Key
DSL is available in 61.83% of Charleston. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Fidium. Call one of the companies with service in Charleston above to see who has service at your home.
How fast is DSL internet in Charleston?
The map below shows maximum DSL internet speeds by area in Charleston.
DSL Internet Speed Key
The average Charleston home can get up to 166 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 500 Mbps, which 13.12% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 22.55% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Charleston.
DSL internet speeds tend to be faster in the west parts of Charleston, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Charleston?
The fastest internet for you may vary based on where in Charleston you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 81.21% of Charleston homes.
- Cable is fastest for 2.12% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 7.93%.
- Satellite internet may be the only option for 8.36% of Charleston homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Charleston, along with details on where in Charleston and at what speeds.
Fidium Fiber DSL in Charleston, IL
Fidium DSL coverage
About 61.83%, or 12,238 people, have Fidium DSL internet available to them in the city. The company covers the entire Charleston area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Charleston.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Charleston. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 13 different maximum speeds throughout Charleston. The fastest plan anyone in Charleston can order from Fidium goes up to 500 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Charleston customers is up to 166 Mbps.
Show all download speeds
- 21.2% up to 500.0 Mbps
- 2.0% up to 400.0 Mbps
- 5.7% up to 300.0 Mbps
- 0.3% up to 250.0 Mbps
- 0.6% up to 150.0 Mbps
- 18.3% up to 100.0 Mbps
- 3.2% up to 90.0 Mbps
- 4.0% up to 80.0 Mbps
- 1.2% up to 70.0 Mbps
- 4.3% up to 60.0 Mbps
- 1.9% up to 50.0 Mbps
- 0.8% up to 30.0 Mbps
- 36.5% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Charleston download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is below average where upload speeds are concerned, and the fastest compared to other Charleston DSL providers. Fidium offers 8 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 Charleston is up to 75 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 25 Mbps.
Show all upload speeds
- 21.2% up to 75.0 Mbps
- 7.7% up to 70.0 Mbps
- 0.3% up to 40.0 Mbps
- 0.6% up to 30.0 Mbps
- 18.3% up to 10.0 Mbps
- 14.5% up to 5.0 Mbps
- 0.8% up to 3.0 Mbps
- 36.5% up to 1.0 Mbps
Charleston DSL by Area
This information is most helpful to those looking for homes or considering moving to Charleston or any of the areas nearby.
How does DSL internet in Charleston compare to the rest of Illinois?
DSL internet speeds in Charleston are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 166 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 61.83% in Charleston.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Charleston 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
- Loxa, IL: more DSL coverage, slower speeds
- Hutton, IL: more DSL coverage, slower speeds
- Lerna, IL: more DSL coverage, slower speeds
- Ashmore, IL: more DSL coverage, slower speeds
- Janesville, IL: more DSL coverage, faster speeds
- Rardin, IL: less DSL coverage, slower speeds
- Maple Point, IL: less DSL coverage, slower speeds
- Westfield, IL: more DSL coverage, slower speeds
- Mattoon, IL: more DSL coverage, slower speeds
- Oilfield, IL: less DSL coverage, slower speeds
Cities with Similar Populations
- Dixon, IL: more DSL coverage, slower speeds
- Forest City, NC: more DSL coverage, slower speeds
- Lillington, NC: more DSL coverage, slower speeds
- Exeter, NH: less DSL coverage, slower speeds
- Louisville, OH: more DSL coverage, slower speeds
- Morris, IL: more DSL coverage, slower speeds
- Madison, IN: more DSL coverage, slower speeds
- Monticello, MN: less DSL coverage, slower speeds
- Mattoon, IL: more DSL coverage, slower speeds
- Mayfield Heights, OH: more DSL coverage, slower speeds