In Algonquin there are 2 residential DSL providers covering 98.01% of the city. The average home can get speeds up to 71 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 Algonquin, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Algonquin, IL please click below.
Algonquin, IL Availability Maps
DSL Internet Service Providers in Algonquin
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 Algonquin are not shown.
Algonquin 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 Algonquin is DSL internet available?
DSL Internet Availability Key
DSL is available in 98.01% of Algonquin. 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 Algonquin above to see who has service at your home.
How fast is DSL internet in Algonquin?
The map below shows maximum DSL internet speeds by area in Algonquin.
DSL Internet Speed Key
The average Algonquin home can get up to 71 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 42.52% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.09% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Algonquin.
DSL internet speeds tend to be faster in the east parts of Algonquin, and slower in the west areas of the city.
Is DSL the fastest internet I can get in Algonquin?
The fastest internet for you may vary based on where in Algonquin you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 18.91% of Algonquin homes.
- Cable is fastest for 80.97% 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 Algonquin homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Algonquin, along with details on where in Algonquin and at what speeds.
AT&T DSL in Algonquin, IL
AT&T DSL coverage
About 98.01%, or 30,556 people, have AT&T DSL internet available to them in the city. The company covers the entire Algonquin area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Algonquin.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Algonquin. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Algonquin. The fastest plan anyone in Algonquin can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Algonquin customers is up to 71 Mbps.
Show all download speeds
- 43.4% up to 100.0 Mbps
- 15.5% up to 75.0 Mbps
- 24.6% up to 50.0 Mbps
- 13.4% up to 25.0 Mbps
- 3.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Algonquin 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 Algonquin DSL providers. AT&T offers 4 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 Algonquin is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 15 Mbps.
Show all upload speeds
- 58.8% up to 20.0 Mbps
- 24.6% up to 10.0 Mbps
- 13.4% up to 5.0 Mbps
- 3.2% up to 1.0 Mbps
EarthLink DSL in Algonquin, IL
EarthLink DSL coverage
About 98.01%, or 30,556 people, have EarthLink DSL internet available to them in the city. The company covers the entire Algonquin area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Algonquin.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Algonquin. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Algonquin. The fastest plan anyone in Algonquin can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Algonquin customers is up to 71 Mbps.
Show all download speeds
- 43.4% up to 100.0 Mbps
- 15.5% up to 75.0 Mbps
- 24.6% up to 50.0 Mbps
- 13.4% up to 25.0 Mbps
- 3.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Algonquin 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 Algonquin DSL providers. EarthLink offers 4 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 Algonquin is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 15 Mbps.
Show all upload speeds
- 58.8% up to 20.0 Mbps
- 24.6% up to 10.0 Mbps
- 13.4% up to 5.0 Mbps
- 3.2% up to 1.0 Mbps
Algonquin DSL by Area
This information is most helpful to those looking for homes or considering moving to Algonquin or any of the areas nearby.
How does DSL internet in Algonquin compare to the rest of Illinois?
DSL internet speeds in Algonquin are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 71 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 98.01% in Algonquin.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Algonquin 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
- Carpentersville, IL: less DSL coverage, faster speeds
- Lake in the Hills, IL: less DSL coverage, faster speeds
- Dundee, IL: less DSL coverage, slower speeds
- Trout Valley, IL: more DSL coverage, slower speeds
- West Dundee, IL: less DSL coverage, faster speeds
- East Dundee, IL: more DSL coverage, faster speeds
- Sleepy Hollow, IL: more DSL coverage, slower speeds
- Crystal Lake, IL: less DSL coverage, faster speeds
- Barrington Hills, IL: less DSL coverage, slower speeds
- Cary, IL: less DSL coverage, slower speeds
Cities with Similar Populations
- Immokalee, FL: less DSL coverage, slower speeds
- Raytown, MO: less DSL coverage, faster speeds
- Twentynine Palms, CA: less DSL coverage, slower speeds
- Studio City, CA: less DSL coverage, faster speeds
- Cayey, PR: less DSL coverage, slower speeds
- Ridgecrest, CA: less DSL coverage, slower speeds
- Bethany, OR: less DSL coverage, slower speeds
- Jacksonville Beach, FL: less DSL coverage, faster speeds
- Rosemount, MN: less DSL coverage, slower speeds
- Winchester, KY: less DSL coverage, slower speeds