In Carbondale there is 1 residential DSL provider covering 29.70% of the city. The average home can get speeds up to 19 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 Carbondale, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Carbondale, IL please click below.
Carbondale, IL Availability Maps
DSL Internet Service Provider in Carbondale
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 Carbondale are not shown.
Carbondale 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 Carbondale is DSL internet available?
DSL Internet Availability Key
DSL is available in 29.70% of Carbondale. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Carbondale above to see who has service at your home.
How fast is DSL internet in Carbondale?
The map below shows maximum DSL internet speeds by area in Carbondale.
DSL Internet Speed Key
The average Carbondale home can get up to 19 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 1.35% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 26.08% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Carbondale.
DSL internet speeds tend to be faster in the northeast parts of Carbondale, and slower in the east areas of the city.
Is DSL the fastest internet I can get in Carbondale?
The fastest internet for you may vary based on where in Carbondale you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 69.64% of Carbondale homes.
- Cable is fastest for 20.24% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.92%.
- Satellite internet may be the only option for 7.13% of Carbondale homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Carbondale, along with details on where in Carbondale and at what speeds.
Frontier Communications DSL in Carbondale, IL
Frontier DSL coverage
About 29.70%, or 8,464 people, have Frontier DSL internet available to them in the city. The company covers the entire Carbondale area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Carbondale.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Carbondale. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Carbondale. The fastest plan anyone in Carbondale can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Carbondale customers is up to 19 Mbps.
Show all download speeds
- 4.5% up to 115.0 Mbps
- 2.2% up to 90.0 Mbps
- 1.3% up to 70.0 Mbps
- 4.1% up to 45.0 Mbps
- 87.8% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Carbondale download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other Carbondale DSL providers. Frontier offers 5 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 Carbondale is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.5 Mbps.
Show all upload speeds
- 4.5% up to 7.0 Mbps
- 0.1% up to 6.0 Mbps
- 2.2% up to 5.0 Mbps
- 5.4% up to 3.0 Mbps
- 87.8% up to 1.0 Mbps
Carbondale DSL by Area
This information is most helpful to those looking for homes or considering moving to Carbondale or any of the areas nearby.
How does DSL internet in Carbondale compare to the rest of Illinois?
DSL internet speeds in Carbondale are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 19 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 29.70% in Carbondale.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Carbondale 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
- Crab Orchard Estates, IL: more DSL coverage, faster speeds
- Makanda, IL: more DSL coverage, faster speeds
- Reeds Station, IL: more DSL coverage, slower speeds
- Mount Carbon, IL: more DSL coverage, slower speeds
- DeSoto, IL: more DSL coverage, faster speeds
- Cambria, IL: less DSL coverage, slower speeds
- Murphysboro, IL: more DSL coverage, faster speeds
- Carterville, IL: more DSL coverage, slower speeds
- Crainville, IL: more DSL coverage, slower speeds
- Hurst, IL: more DSL coverage, faster speeds
Cities with Similar Populations
- Vestal, NY: less DSL coverage, slower speeds
- Clover, SC: more DSL coverage, faster speeds
- Corbin, KY: more DSL coverage, slower speeds
- Highland Park, IL: more DSL coverage, faster speeds
- Hillsborough, NC: more DSL coverage, faster speeds
- Norco, CA: more DSL coverage, faster speeds
- Oxford, OH: more DSL coverage, faster speeds
- Alabaster, AL: more DSL coverage, faster speeds
- Wasco, CA: more DSL coverage, slower speeds
- Waynesboro, PA: more DSL coverage, faster speeds