In Prospect Heights there are 2 residential Cable providers covering 99.60% of the city. The average home can get speeds up to 2,000 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 Cable internet providers in Prospect Heights, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Prospect Heights, IL please click below.
Prospect Heights, IL Availability Maps
Cable Internet Service Providers in Prospect 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 Prospect Heights are not shown.
Prospect 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 Prospect Heights is cable internet available?

Cable Internet Availability Key
Cable is available in 99.60% of Prospect Heights. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Prospect Heights above to see who has service at your home.
How fast is cable internet in Prospect Heights?
The map below shows maximum cable internet speeds by area in Prospect Heights.

Cable Internet Speed Key
The average Prospect Heights home can get up to 2,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 99.60% of residents can get.
Is cable the fastest internet I can get in Prospect Heights?
The fastest internet for you may vary based on where in Prospect Heights you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 8.09% of Prospect Heights homes.
- Cable is fastest for 91.52% 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 Prospect Heights homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Prospect Heights, along with details on where in Prospect Heights and at what speeds.
XFINITY from Comcast Cable in Prospect Heights, IL

XFINITY cable coverage
About 99.60%, or 16,611 people, have XFINITY cable internet available to them in the city. The company covers the entire Prospect Heights area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Prospect Heights.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Prospect Heights. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Prospect Heights. The fastest plan anyone in Prospect Heights can order from XFINITY goes up to 2,000 Mbps, and all Prospect Heights customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Prospect Heights download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Prospect Heights cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Prospect Heights is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Astound Broadband Cable in Prospect Heights, IL

Astound Broadband cable coverage
About 81.08%, or 13,522 people, have Astound Broadband cable internet available to them in the city. The company covers the entire Prospect Heights area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in much of Prospect Heights.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Prospect Heights. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Prospect Heights. The fastest plan anyone in Prospect Heights can order from Astound Broadband goes up to 1,500 Mbps, and all Prospect Heights customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Prospect Heights download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Prospect Heights cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Prospect Heights is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Prospect Heights Cable by Area
This information is most helpful to those looking for homes or considering moving to Prospect Heights or any of the areas nearby.
How does cable internet in Prospect Heights compare to the rest of Illinois?
Cable internet speeds in Prospect Heights are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 2,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Illinois is 0.00% versus 99.60% in Prospect Heights.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Prospect Heights are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Wheeling, IL: more cable coverage, slower speeds
- Mount Prospect, IL: more cable coverage, slower speeds
- Arlington Heights, IL: more cable coverage, slower speeds
- Northbrook, IL: more cable coverage, slower speeds
- Glenview Nas, IL: less cable coverage, slower speeds
- Des Plaines, IL: more cable coverage, slower speeds
- Buffalo Grove, IL: less cable coverage, slower speeds
- Riverwoods, IL: more cable coverage, slower speeds
- Deerfield, IL: more cable coverage, slower speeds
- Glenview, IL: more cable coverage, slower speeds
Cities with Similar Populations
- Shiloh, IL: less cable coverage, slower speeds
- El Reno, OK: less cable coverage, similar speeds
- El Segundo, CA: less cable coverage, slower speeds
- Elkhorn, WI: less cable coverage, slower speeds
- Ellington, CT: more cable coverage, slower speeds
- Eloy, AZ: less cable coverage, slower speeds
- Emmett, ID: less cable coverage, slower speeds
- Eureka, MO: less cable coverage, slower speeds
- Fairhaven, MA: more cable coverage, slower speeds
- Fairview, CA: more cable coverage, slower speeds


