In Thornton there are 2 residential DSL providers covering 96.27% of the city. The average home can get speeds up to 72 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 Thornton, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Thornton, IL please click below.
Thornton, IL Availability Maps
DSL Internet Service Providers in Thornton
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 Thornton are not shown.
Thornton 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 Thornton is DSL internet available?
DSL Internet Availability Key
DSL is available in 96.27% of Thornton. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Thornton above to see who has service at your home.
How fast is DSL internet in Thornton?
The map below shows maximum DSL internet speeds by area in Thornton.
DSL Internet Speed Key
The average Thornton home can get up to 72 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 40.23% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 13.31% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Thornton.
DSL internet speeds tend to be faster in the northeast parts of Thornton, and slower in the south areas of the city.
Is DSL the fastest internet I can get in Thornton?
The fastest internet for you may vary based on where in Thornton you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Thornton homes.
- Cable is fastest for 99.92% 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 less than 1% of Thornton homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Thornton, along with details on where in Thornton and at what speeds.
AT&T DSL in Thornton, IL
AT&T DSL coverage
About 96.27%, or 2,300 people, have AT&T DSL internet available to them in the city. The company covers the entire Thornton area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Thornton.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Thornton. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Thornton. The fastest plan anyone in Thornton can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Thornton customers is up to 72 Mbps.
Show all download speeds
- 41.8% up to 100.0 Mbps
- 17.0% up to 75.0 Mbps
- 27.4% up to 50.0 Mbps
- 13.8% up to 25.0 Mbps
AT&T DSL upload speeds
In Thornton download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Thornton DSL providers. AT&T 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 Thornton is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, AT&T customers can get speeds up to 15 Mbps.
Show all upload speeds
- 58.7% up to 20.0 Mbps
- 27.4% up to 10.0 Mbps
- 13.8% up to 5.0 Mbps
EarthLink DSL in Thornton, IL
EarthLink DSL coverage
About 96.27%, or 2,300 people, have EarthLink DSL internet available to them in the city. The company covers the entire Thornton area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Thornton.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Thornton. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Thornton. The fastest plan anyone in Thornton can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Thornton customers is up to 72 Mbps.
Show all download speeds
- 41.8% up to 100.0 Mbps
- 17.0% up to 75.0 Mbps
- 27.4% up to 50.0 Mbps
- 13.8% up to 25.0 Mbps
EarthLink DSL upload speeds
In Thornton download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Thornton DSL providers. EarthLink 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 Thornton is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, EarthLink customers can get speeds up to 15 Mbps.
Show all upload speeds
- 58.7% up to 20.0 Mbps
- 27.4% up to 10.0 Mbps
- 13.8% up to 5.0 Mbps
Thornton DSL by Area
This information is most helpful to those looking for homes or considering moving to Thornton or any of the areas nearby.
How does DSL internet in Thornton compare to the rest of Illinois?
DSL internet speeds in Thornton are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 72 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 96.27% in Thornton.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Thornton 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
- Glenwood, IL: less DSL coverage, faster speeds
- South Holland, IL: less DSL coverage, faster speeds
- East Hazel Crest, IL: more DSL coverage, faster speeds
- Phoenix, IL: more DSL coverage, slower speeds
- Homewood, IL: more DSL coverage, faster speeds
- Lansing, IL: more DSL coverage, faster speeds
- Harvey, IL: more DSL coverage, slower speeds
- Dolton, IL: less DSL coverage, slower speeds
- Calumet City, IL: less DSL coverage, slower speeds
- Hazel Crest, IL: less DSL coverage, faster speeds
Cities with Similar Populations
- Moville, IA: less DSL coverage, slower speeds
- Kenton, TN: less DSL coverage, slower speeds
- Westphalia, MI: less DSL coverage, slower speeds
- Walnut Grove, GA: more DSL coverage, slower speeds
- Village of Four Seasons, MO: less DSL coverage, slower speeds
- Malaga, WA: less DSL coverage, faster speeds
- Twisp, WA: less DSL coverage, slower speeds
- Advance, MO: less DSL coverage, slower speeds
- Terre du Lac, MO: less DSL coverage, slower speeds
- Ten Mile, TN: less DSL coverage, slower speeds