In Glen Carbon there is 1 residential Cable provider covering 98.24% of the city. The average home can get speeds up to 1,000 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 Glen Carbon, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Glen Carbon, IL please click below.
Glen Carbon, IL Availability Maps
Cable Internet Service Provider in Glen Carbon
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 Glen Carbon are not shown.
Glen Carbon 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 Glen Carbon is cable internet available?
Cable Internet Availability Key
Cable is available in 98.24% of Glen Carbon. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Glen Carbon above to see who has service at your home.
How fast is cable internet in Glen Carbon?
The map below shows maximum cable internet speeds by area in Glen Carbon.
Cable Internet Speed Key
The average Glen Carbon home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 98.24% of residents can get.
Is cable the fastest internet I can get in Glen Carbon?
The fastest internet for you may vary based on where in Glen Carbon you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 48.47% of Glen Carbon homes.
- Cable is fastest for 49.85% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.23%.
- Satellite internet may be the only option for less than 1% of Glen Carbon homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Glen Carbon, along with details on where in Glen Carbon and at what speeds.
Spectrum Cable in Glen Carbon, IL
Spectrum cable coverage
About 98.24%, or 15,379 people, have Spectrum cable internet available to them in the city. The company covers the entire Glen Carbon area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Glen Carbon.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Glen Carbon. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from Spectrum goes up to 1,000 Mbps, and all Glen Carbon customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Glen Carbon cable providers. Spectrum offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Glen Carbon is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 999 Mbps.
Show all upload speeds
- 99.9% up to 1,000.0 Mbps
- 0.1% up to 35.0 Mbps
Glen Carbon Cable by Area
This information is most helpful to those looking for homes or considering moving to Glen Carbon or any of the areas nearby.
How does cable internet in Glen Carbon compare to the rest of Illinois?
Cable internet speeds in Glen Carbon are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Illinois is 0.00% versus 98.24% in Glen Carbon.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Glen Carbon 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
- Maryville, IL: more cable coverage, similar speeds
- Edwardsville, IL: less cable coverage, faster speeds
- Poag, IL: less cable coverage, similar speeds
- Meadow Heights, IL: less cable coverage, similar speeds
- Kuhn Station, IL: less cable coverage, similar speeds
- Troy, IL: less cable coverage, similar speeds
- Wanda, IL: less cable coverage, similar speeds
- Collinsville, IL: less cable coverage, similar speeds
- Pontoon Beach, IL: less cable coverage, similar speeds
- Lumaghi Heights, IL: less cable coverage, similar speeds
Cities with Similar Populations
- Stella Rincon, PR: less cable coverage, similar speeds
- Glens Falls, NY: more cable coverage, similar speeds
- Glenshaw, PA: more cable coverage, faster speeds
- Glenwood Springs, CO: less cable coverage, faster speeds
- Gulf Shores, AL: less cable coverage, similar speeds
- Hanover, MA: more cable coverage, faster speeds
- South River, NJ: more cable coverage, faster speeds
- South Sioux City, NE: more cable coverage, similar speeds
- Sparta, WI: less cable coverage, similar speeds
- Spring Branch, TX: less cable coverage, similar speeds