In DuPage County there are 3 residential Fiber providers covering 31.95% of the county. The average home can get speeds up to 5,065 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 DuPage County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in DuPage County, IL please click below.
DuPage County, IL Availability Maps
Fiber Internet Service Providers in DuPage County
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 DuPage County are not shown.
DuPage County 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 DuPage County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 31.95% of DuPage County. 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 DuPage County above to see who has service at your home.
How fast is fiber internet in DuPage County?
The map below shows maximum fiber internet speeds by area in DuPage County.
Fiber Internet Speed Key
The average DuPage County home can get up to 5,065 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which 5.23% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.91% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in DuPage County.
Fiber internet speeds tend to be faster in the southeast parts of DuPage County, and slower in the southwest areas of the county.
Is fiber the fastest internet I can get in DuPage County?
The fastest internet for you may vary based on where in DuPage County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 29.86% of DuPage County homes.
- Cable is fastest for 69.47% of the county.
- 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 DuPage County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in DuPage County, along with details on where in DuPage County and at what speeds.
EarthLink Fiber in DuPage County, IL
EarthLink fiber coverage
About 27.78%, or 259,143 people, have EarthLink fiber internet available to them in the county. The company covers the entire DuPage County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of DuPage County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in DuPage County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout DuPage County. The fastest plan anyone in DuPage County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for DuPage County customers is up to 4,717 Mbps.
Show all download speeds
- 92.9% up to 5,000.0 Mbps
- 7.1% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In DuPage County 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 above average compared to other DuPage County fiber providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in DuPage County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,717 Mbps.
Show all upload speeds
- 92.9% up to 5,000.0 Mbps
- 7.1% up to 1,000.0 Mbps
AT&T Fiber in DuPage County, IL
AT&T fiber coverage
About 27.78%, or 259,143 people, have AT&T fiber internet available to them in the county. The company covers the entire DuPage County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of DuPage County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in DuPage County. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout DuPage County. The fastest plan anyone in DuPage County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for DuPage County customers is up to 4,717 Mbps.
Show all download speeds
- 92.9% up to 5,000.0 Mbps
- 7.1% up to 1,000.0 Mbps
AT&T fiber upload speeds
In DuPage County 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 above average compared to other DuPage County fiber providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in DuPage County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,717 Mbps.
Show all upload speeds
- 92.9% up to 5,000.0 Mbps
- 7.1% up to 1,000.0 Mbps
Sparklight Fiber in DuPage County, IL
Sparklight fiber coverage
About 5.23%, or 48,760 people, have Sparklight fiber internet available to them in the county. The company covers the entire DuPage County 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 DuPage County.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in DuPage County. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout DuPage County. The fastest plan anyone in DuPage County can order from Sparklight goes up to 7,000 Mbps, and all DuPage County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In DuPage County 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 DuPage County fiber providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in DuPage County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
DuPage County Fiber by Area
This information is most helpful to those looking for homes or considering moving to DuPage County or any of the areas nearby.
How does fiber internet in DuPage County compare to the rest of Illinois?
Fiber internet speeds in DuPage County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 5,065 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 31.95% in DuPage County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around DuPage County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Kane County, IL: more fiber coverage, slower speeds
- Cook County, IL: more fiber coverage, slower speeds
- DeKalb County, IL: more fiber coverage, faster speeds
- Lee County, IL: more fiber coverage, faster speeds
- Berrien County, MI: more fiber coverage, slower speeds
- Whiteside County, IL: more fiber coverage, slower speeds
- Cass County, MI: more fiber coverage, slower speeds
- Clinton County, IA: more fiber coverage, slower speeds
- St. Joseph County, MI: more fiber coverage, slower speeds
- Branch County, MI: more fiber coverage, slower speeds
Counties with Similar Populations
- Pima County, AZ: less fiber coverage, slower speeds
- Wake County, NC: more fiber coverage, faster speeds
- Philadelphia County, PA: more fiber coverage, slower speeds
- Suffolk County, NY: more fiber coverage, faster speeds
- Travis County, TX: more fiber coverage, faster speeds
- Westchester County, NY: more fiber coverage, faster speeds
- Salt Lake County, UT: more fiber coverage, faster speeds
- Palm Beach County, FL: more fiber coverage, slower speeds
- Wayne County, MI: more fiber coverage, slower speeds
- Sacramento County, CA: more fiber coverage, slower speeds