In Oak Brook there are 3 residential Fiber providers covering 3.83% of the city. The average home can get speeds up to 6,080 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 Oak Brook, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Oak Brook, IL please click below.
Oak Brook, IL Availability Maps
Fiber Internet Service Providers in Oak Brook
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 Oak Brook are not shown.
Oak Brook 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 Oak Brook is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 3.83% of Oak Brook. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in Oak Brook above to see who has service at your home.
How fast is fiber internet in Oak Brook?
The map below shows maximum fiber internet speeds by area in Oak Brook.

Fiber Internet Speed Key
The average Oak Brook home can get up to 6,080 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 2.07% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.76% 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 Oak Brook.
Fiber internet speeds tend to be faster in the central parts of Oak Brook, and slower in the northwest areas of the city.
Is fiber the fastest internet I can get in Oak Brook?
The fastest internet for you may vary based on where in Oak Brook you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 3.83% of Oak Brook homes.
- Cable is fastest for 95.93% 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 Oak Brook homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Oak Brook, along with details on where in Oak Brook and at what speeds.
Sparklight Fiber in Oak Brook, IL

Sparklight fiber coverage
About 2.07%, or 202 people, have Sparklight fiber internet available to them in the city. The company covers the central, southeast, and northeast Oak Brook 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 Oak Brook.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Oak Brook. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Oak Brook. The fastest plan anyone in Oak Brook can order from Sparklight goes up to 7,000 Mbps, and all Oak Brook customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Oak Brook 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 Oak Brook fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Oak Brook is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
EarthLink Fiber in Oak Brook, IL

EarthLink fiber coverage
About 1.76%, or 172 people, have EarthLink fiber internet available to them in the city. The company covers the northwest Oak Brook area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Oak Brook.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Oak Brook. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Oak Brook. The fastest plan anyone in Oak Brook can order from EarthLink goes up to 5,000 Mbps, and all Oak Brook customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Oak Brook 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 Oak Brook fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Oak Brook 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 Oak Brook, IL

AT&T fiber coverage
About 1.76%, or 172 people, have AT&T fiber internet available to them in the city. The company covers the northwest Oak Brook area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Oak Brook.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Oak Brook. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are no different maximum speeds throughout Oak Brook. The fastest plan anyone in Oak Brook can order from AT&T goes up to 5,000 Mbps, and all Oak Brook customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Oak Brook 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 Oak Brook fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Oak Brook is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Oak Brook Fiber by Area
This information is most helpful to those looking for homes or considering moving to Oak Brook or any of the areas nearby.
How does fiber internet in Oak Brook compare to the rest of Illinois?
Fiber internet speeds in Oak Brook are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 6,080 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 3.83% in Oak Brook.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Oak Brook 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
- Oakbrook Terrace, IL: more fiber coverage, slower speeds
- Clarendon Hills, IL: more fiber coverage, slower speeds
- Westmont, IL: more fiber coverage, slower speeds
- Villa Park, IL: more fiber coverage, slower speeds
- Lombard, IL: more fiber coverage, slower speeds
- Western Springs, IL: more fiber coverage, slower speeds
- Hillside, IL: more fiber coverage, slower speeds
- Elmhurst, IL: more fiber coverage, slower speeds
- Westchester, IL: more fiber coverage, slower speeds
- Hinsdale, IL: more fiber coverage, slower speeds
Cities with Similar Populations
- Wonder Lake, IL: more fiber coverage, faster speeds
- Arizona City, AZ: more fiber coverage, slower speeds
- Asbury Lake, FL: more fiber coverage, slower speeds
- York, NE: more fiber coverage, slower speeds
- Atherton, CA: more fiber coverage, faster speeds
- Attalla, AL: more fiber coverage, slower speeds
- Wright City, MO: more fiber coverage, slower speeds
- Woodstock, MD: more fiber coverage, slower speeds
- Woodbine, MD: more fiber coverage, slower speeds
- Wood-Ridge, NJ: more fiber coverage, faster speeds


