In Glendale Heights there are 3 residential Fiber providers covering 20.19% of the city. The average home can get speeds up to 5,778 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 Glendale Heights, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Glendale Heights, IL please click below.
Glendale Heights, IL Availability Maps
Fiber Internet Service Providers in Glendale Heights
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 Glendale Heights are not shown.
Glendale Heights 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 Glendale Heights is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 20.19% of Glendale Heights. 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 Glendale Heights above to see who has service at your home.
How fast is fiber internet in Glendale Heights?
The map below shows maximum fiber internet speeds by area in Glendale Heights.
Fiber Internet Speed Key
The average Glendale Heights home can get up to 5,778 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 7.86% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 12.33% 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 Glendale Heights.
Fiber internet speeds tend to be faster in the southwest parts of Glendale Heights, and slower in the south areas of the city.
Is fiber the fastest internet I can get in Glendale Heights?
The fastest internet for you may vary based on where in Glendale Heights you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 20.19% of Glendale Heights homes.
- Cable is fastest for 79.42% 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 Glendale Heights homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Glendale Heights, along with details on where in Glendale Heights and at what speeds.
EarthLink Fiber in Glendale Heights, IL
EarthLink fiber coverage
About 13.85%, or 4,975 people, have EarthLink fiber internet available to them in the city. The company covers the west, north, south, and central Glendale Heights 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 Glendale Heights.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Glendale Heights. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Glendale Heights. The fastest plan anyone in Glendale Heights can order from EarthLink goes up to 5,000 Mbps, and all Glendale Heights customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Glendale Heights 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 Glendale Heights fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Glendale Heights 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 Glendale Heights, IL
AT&T fiber coverage
About 13.85%, or 4,975 people, have AT&T fiber internet available to them in the city. The company covers the west, north, south, and central Glendale Heights 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 Glendale Heights.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Glendale Heights. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are no different maximum speeds throughout Glendale Heights. The fastest plan anyone in Glendale Heights can order from AT&T goes up to 5,000 Mbps, and all Glendale Heights customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Glendale Heights 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 Glendale Heights fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Glendale Heights 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 Glendale Heights, IL
Sparklight fiber coverage
About 7.86%, or 2,821 people, have Sparklight fiber internet available to them in the city. The company covers the southwest, central, east, northeast, west, north, and south Glendale Heights 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 Glendale Heights.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Glendale Heights. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Glendale Heights. The fastest plan anyone in Glendale Heights can order from Sparklight goes up to 7,000 Mbps, and all Glendale Heights customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Glendale Heights 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 Glendale Heights fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Glendale Heights is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Glendale Heights Fiber by Area
This information is most helpful to those looking for homes or considering moving to Glendale Heights or any of the areas nearby.
How does fiber internet in Glendale Heights compare to the rest of Illinois?
Fiber internet speeds in Glendale Heights are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 5,778 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 20.19% in Glendale Heights.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Glendale Heights 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
- Bloomingdale, IL: less fiber coverage, slower speeds
- Carol Stream, IL: more fiber coverage, slower speeds
- Glen Ellyn, IL: less fiber coverage, slower speeds
- Medinah, IL: more fiber coverage, slower speeds
- Addison, IL: less fiber coverage, slower speeds
- Roselle, IL: more fiber coverage, slower speeds
- Wheaton, IL: more fiber coverage, slower speeds
- Lombard, IL: more fiber coverage, slower speeds
- Winfield, IL: less fiber coverage, slower speeds
- Itasca, IL: more fiber coverage, slower speeds
Cities with Similar Populations
- Natick, MA: more fiber coverage, slower speeds
- Pleasant Grove, UT: more fiber coverage, faster speeds
- Palmetto, FL: more fiber coverage, faster speeds
- Oxford, MS: more fiber coverage, faster speeds
- Okeechobee, FL: less fiber coverage, slower speeds
- Odenton, MD: more fiber coverage, slower speeds
- Oakville, MO: more fiber coverage, slower speeds
- Oak Creek, WI: more fiber coverage, slower speeds
- Niles, MI: more fiber coverage, slower speeds
- Newhall, CA: more fiber coverage, slower speeds