In Lake Zurich there are 2 residential DSL providers covering 99.32% 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 Lake Zurich, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Lake Zurich, IL please click below.
Lake Zurich, IL Availability Maps
DSL Internet Service Providers in Lake Zurich
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 Lake Zurich are not shown.
Lake Zurich 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 Lake Zurich is DSL internet available?
DSL Internet Availability Key
DSL is available in 99.32% of Lake Zurich. 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 Lake Zurich above to see who has service at your home.
How fast is DSL internet in Lake Zurich?
The map below shows maximum DSL internet speeds by area in Lake Zurich.
DSL Internet Speed Key
The average Lake Zurich home can get up to 72 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 43.83% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.16% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Lake Zurich.
DSL internet speeds tend to be faster in the west parts of Lake Zurich, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Lake Zurich?
The fastest internet for you may vary based on where in Lake Zurich you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 12.22% of Lake Zurich homes.
- Cable is fastest for 87.78% 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 Lake Zurich homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Lake Zurich, along with details on where in Lake Zurich and at what speeds.
AT&T DSL in Lake Zurich, IL
AT&T DSL coverage
About 99.32%, or 21,191 people, have AT&T DSL internet available to them in the city. The company covers the entire Lake Zurich area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Lake Zurich.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Lake Zurich. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Lake Zurich. The fastest plan anyone in Lake Zurich 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 Lake Zurich customers is up to 72 Mbps.
Show all download speeds
- 44.1% up to 100.0 Mbps
- 14.4% up to 75.0 Mbps
- 28.3% up to 50.0 Mbps
- 12.0% up to 25.0 Mbps
- 1.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Lake Zurich 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 Lake Zurich 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 Lake Zurich 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
- 58.5% up to 20.0 Mbps
- 28.3% up to 10.0 Mbps
- 12.0% up to 5.0 Mbps
- 1.2% up to 1.0 Mbps
EarthLink DSL in Lake Zurich, IL
EarthLink DSL coverage
About 99.32%, or 21,191 people, have EarthLink DSL internet available to them in the city. The company covers the entire Lake Zurich area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Lake Zurich.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Lake Zurich. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Lake Zurich. The fastest plan anyone in Lake Zurich 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 Lake Zurich customers is up to 72 Mbps.
Show all download speeds
- 44.1% up to 100.0 Mbps
- 14.4% up to 75.0 Mbps
- 28.3% up to 50.0 Mbps
- 12.0% up to 25.0 Mbps
- 1.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Lake Zurich 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 Lake Zurich 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 Lake Zurich 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
- 58.5% up to 20.0 Mbps
- 28.3% up to 10.0 Mbps
- 12.0% up to 5.0 Mbps
- 1.2% up to 1.0 Mbps
Lake Zurich DSL by Area
This information is most helpful to those looking for homes or considering moving to Lake Zurich or any of the areas nearby.
How does DSL internet in Lake Zurich compare to the rest of Illinois?
DSL internet speeds in Lake Zurich 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 99.32% in Lake Zurich.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Lake Zurich 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
- Kildeer, IL: less DSL coverage, faster speeds
- Deer Park, IL: less DSL coverage, faster speeds
- North Barrington, IL: less DSL coverage, slower speeds
- Hawthorn Woods, IL: less DSL coverage, slower speeds
- Barrington, IL: less DSL coverage, slower speeds
- Long Grove, IL: less DSL coverage, slower speeds
- Lake Barrington, IL: less DSL coverage, slower speeds
- Tower Lakes, IL: less DSL coverage, slower speeds
- Palatine, IL: less DSL coverage, faster speeds
- Indian Creek, IL: less DSL coverage, faster speeds
Cities with Similar Populations
- Windermere, FL: less DSL coverage, faster speeds
- Willow Spring, NC: less DSL coverage, slower speeds
- Norwalk, OH: less DSL coverage, slower speeds
- Pendleton, OR: less DSL coverage, slower speeds
- Parma Heights, OH: less DSL coverage, faster speeds
- Park Forest, IL: less DSL coverage, faster speeds
- Palmyra, PA: less DSL coverage, slower speeds
- Palm Valley, FL: less DSL coverage, faster speeds
- Owens Cross Roads, AL: less DSL coverage, slower speeds
- Ottawa, IL: less DSL coverage, slower speeds