In Clarendon Hills there are 3 residential Fiber providers covering 57.42% of the city. The average home can get speeds up to 5,200 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 Fiber internet providers in Clarendon Hills, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Clarendon Hills, IL please click below.
Clarendon Hills, IL Availability Maps
Fiber Internet Service Providers in Clarendon Hills
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 Clarendon Hills are not shown.
Clarendon Hills 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 Clarendon Hills is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 57.42% of Clarendon Hills. Areas in green have fiber 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 Clarendon Hills above to see who has service at your home.
How fast is fiber internet in Clarendon Hills?
The map below shows maximum fiber internet speeds by area in Clarendon Hills.
Fiber Internet Speed Key
The average Clarendon Hills home can get up to 5,200 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 5.73% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 51.69% of homes can only purchase plans up to 5,000 Mbps. See the internet provider details below for info about their speed and coverage in Clarendon Hills.
Fiber internet speeds tend to be faster in the south parts of Clarendon Hills, and slower in the northeast areas of the city.
Is fiber the fastest internet I can get in Clarendon Hills?
The fastest internet for you may vary based on where in Clarendon Hills you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 57.42% of Clarendon Hills homes.
- Cable is fastest for 41.63% 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 Clarendon Hills homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Clarendon Hills, along with details on where in Clarendon Hills and at what speeds.
EarthLink Fiber in Clarendon Hills, IL
EarthLink fiber coverage
About 55.46%, or 5,919 people, have EarthLink fiber internet available to them in the city. The company covers the northwest, northeast, central, north, west, east, and southeast Clarendon Hills area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Clarendon Hills.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from EarthLink goes up to 5,000 Mbps, and all Clarendon Hills customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Clarendon Hills download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and one of the slowest compared to other Clarendon Hills fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clarendon Hills is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Clarendon Hills, IL
AT&T fiber coverage
About 55.46%, or 5,919 people, have AT&T fiber internet available to them in the city. The company covers the northwest, northeast, central, north, west, east, and southeast Clarendon Hills area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Clarendon Hills.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are no different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from AT&T goes up to 5,000 Mbps, and all Clarendon Hills customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Clarendon Hills download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and one of the slowest compared to other Clarendon Hills fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clarendon Hills is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Sparklight Fiber in Clarendon Hills, IL
Sparklight fiber coverage
About 5.73%, or 612 people, have Sparklight fiber internet available to them in the city. The company covers the central, northwest, south, east, north, and southeast Clarendon Hills area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Clarendon Hills.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from Sparklight goes up to 7,000 Mbps, and all Clarendon Hills customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Clarendon Hills download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is the fastest where upload speeds are concerned, and the fastest compared to other Clarendon Hills fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clarendon Hills is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Clarendon Hills Fiber by Area
This information is most helpful to those looking for homes or considering moving to Clarendon Hills or any of the areas nearby.
How does fiber internet in Clarendon Hills compare to the rest of Illinois?
Fiber internet speeds in Clarendon Hills are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 5,200 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 57.42% in Clarendon Hills.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Clarendon Hills are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Westmont, IL: less fiber coverage, faster speeds
- Hinsdale, IL: more fiber coverage, faster speeds
- Willowbrook, IL: less fiber coverage, slower speeds
- Oak Brook, IL: less fiber coverage, faster speeds
- Downers Grove, IL: less fiber coverage, slower speeds
- Western Springs, IL: more fiber coverage, slower speeds
- Darien, IL: less fiber coverage, faster speeds
- Indian Head Park, IL: less fiber coverage, slower speeds
- Burr Ridge, IL: less fiber coverage, slower speeds
- Oakbrook Terrace, IL: less fiber coverage, faster speeds
Cities with Similar Populations
- Kennebunk, ME: more fiber coverage, slower speeds
- Wilton Manors, FL: less fiber coverage, slower speeds
- Loxley, AL: less fiber coverage, faster speeds
- Lexington, NE: more fiber coverage, slower speeds
- Leonardtown, MD: more fiber coverage, slower speeds
- Leesville, SC: more fiber coverage, faster speeds
- Largo, MD: more fiber coverage, slower speeds
- Lansing, KS: more fiber coverage, faster speeds
- Knoxville, IA: more fiber coverage, slower speeds
- Kinnelon, NJ: more fiber coverage, faster speeds