In Dennison there is 1 residential DSL provider covering 33.11% of the city. The average home can get speeds up to 54 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 Dennison, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Dennison, IL please click below.
Dennison, IL Availability Maps
DSL Internet Service Provider in Dennison
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 Dennison are not shown.
Dennison 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 Dennison is DSL internet available?
DSL Internet Availability Key
DSL is available in 33.11% of Dennison. 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 Dennison above to see who has service at your home.
How fast is DSL internet in Dennison?
The map below shows maximum DSL internet speeds by area in Dennison.
DSL Internet Speed Key
The average Dennison home can get up to 54 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 12.22% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 18.85% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Dennison.
DSL internet speeds tend to be faster in the east parts of Dennison, and slower in the central areas of the city.
Is DSL the fastest internet I can get in Dennison?
The fastest internet for you may vary based on where in Dennison you live. In general, fixed wireless competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Dennison homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 2.04%.
- Fixed wireless is fastest for 90.83%.
- Satellite internet may be the only option for 7.13% of Dennison homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Dennison, along with details on where in Dennison and at what speeds.
Frontier Communications DSL in Dennison, IL
Frontier DSL coverage
About 33.11%, or 195 people, have Frontier DSL internet available to them in the city. The company covers the east, central, southwest, south, north, and northeast Dennison 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 Dennison.
Frontier Communications DSL download speeds
Frontier is average when comparing download speeds to all other internet providers in Dennison. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 3 different maximum speeds throughout Dennison. The fastest plan anyone in Dennison 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 Dennison customers is up to 54 Mbps.
Show all download speeds
- 36.9% up to 115.0 Mbps
- 6.2% up to 90.0 Mbps
- 56.9% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Dennison download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is average where upload speeds are concerned, and the fastest compared to other Dennison DSL providers. Frontier 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 Dennison 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 3.5 Mbps.
Show all upload speeds
- 36.9% up to 7.0 Mbps
- 6.2% up to 5.0 Mbps
- 56.9% up to 1.0 Mbps
Dennison DSL by Area
This information is most helpful to those looking for homes or considering moving to Dennison or any of the areas nearby.
How does DSL internet in Dennison compare to the rest of Illinois?
DSL internet speeds in Dennison are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 54 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 33.11% in Dennison.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Dennison 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
- Liggett, IN: less DSL coverage, faster speeds
- State Line, IN: more DSL coverage, slower speeds
- Elbridge, IL: more DSL coverage, slower speeds
- Toad Hop, IN: more DSL coverage, faster speeds
- West Terre Haute, IN: more DSL coverage, slower speeds
- Oliver, IL: more DSL coverage, faster speeds
- Prairieton, IN: more DSL coverage, slower speeds
- Marshall, IL: more DSL coverage, slower speeds
- Nevins, IL: more DSL coverage, faster speeds
- Vermilion, IL: more DSL coverage, slower speeds
Cities with Similar Populations
- Rodessa, LA: more DSL coverage, faster speeds
- Livermore, IA: more DSL coverage, slower speeds
- Locust Grove, KY: more DSL coverage, slower speeds
- Locust Grove, NY: more DSL coverage, slower speeds
- Longstreet, LA: less DSL coverage, slower speeds
- Malcom, IA: more DSL coverage, faster speeds
- Mark Center, OH: more DSL coverage, slower speeds
- Matagorda, TX: less DSL coverage, slower speeds
- McMahan, TX: less DSL coverage, slower speeds
- Montezuma, OH: less DSL coverage, slower speeds