In Glen Carbon there are 9 residential internet providers covering 100.00% of the city. The average home can get speeds up to 3,407 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.
Jump to Availability Maps
9 Internet Service Providers 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
Availability maps for all providers in Glen Carbon
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 100.00% of Glen Carbon. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Cable One. Now you can call companies in Glen Carbon with more confidence that they might be available.
How fast are internet speeds in Glen Carbon?
The map below shows maximum internet speeds by area in Glen Carbon.
Internet Speed Key
The average Glen Carbon home can get up to 3,407 Mbps on their internet plan. For most people, the fastest download speed in the city is 7,000 Mbps, which 26.64% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.10% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Glen Carbon.
Internet speeds tend to be faster in the south parts of Glen Carbon, and slower in the east areas of the city.
What type of internet should I choose in Glen Carbon?
The fastest internet for you may vary based on where in Glen Carbon you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in Glen Carbon
Internet Competition Key
The map shows how competitive the Glen Carbon internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Glen Carbon based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.3 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.4 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 7.1 (very healthy)
Overall, competition is very healthy.
Glen Carbon internet customers have the ability to buy internet service from 1 to 10 different providers, depending on where they live. For different types of service, Glen Carbon homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Glen Carbon internet customers who want faster speeds have between 1 and 10 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Glen Carbon is doing quite well.
TV & Internet 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
AT&T DSL in Glen Carbon, IL
AT&T DSL coverage
About 89.32%, or 13,982 people, have AT&T DSL internet available to them in the city. The company covers the entire Glen Carbon area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Glen Carbon.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Glen Carbon. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 82 Mbps.
Show all download speeds
- 70.0% up to 100.0 Mbps
- 5.6% up to 75.0 Mbps
- 12.8% up to 50.0 Mbps
- 4.7% up to 25.0 Mbps
- 6.9% up to 10.0 Mbps
AT&T DSL upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Glen Carbon DSL providers. AT&T offers 4 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 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 17 Mbps.
Show all upload speeds
- 75.6% up to 20.0 Mbps
- 12.8% up to 10.0 Mbps
- 4.7% up to 5.0 Mbps
- 6.9% up to 1.0 Mbps
EarthLink DSL in Glen Carbon, IL
EarthLink DSL coverage
About 89.32%, or 13,982 people, have EarthLink DSL internet available to them in the city. The company covers the entire Glen Carbon area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Glen Carbon.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Glen Carbon. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 82 Mbps.
Show all download speeds
- 70.0% up to 100.0 Mbps
- 5.6% up to 75.0 Mbps
- 12.8% up to 50.0 Mbps
- 4.7% up to 25.0 Mbps
- 6.9% up to 10.0 Mbps
EarthLink DSL upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Glen Carbon DSL providers. EarthLink offers 4 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 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 17 Mbps.
Show all upload speeds
- 75.6% up to 20.0 Mbps
- 12.8% up to 10.0 Mbps
- 4.7% up to 5.0 Mbps
- 6.9% up to 1.0 Mbps
EarthLink Fiber in Glen Carbon, IL
EarthLink fiber coverage
About 30.23%, or 4,732 people, have EarthLink fiber internet available to them in the city. The company covers the northwest, northeast, southwest, west, south, north, southeast, and central Glen Carbon 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 Glen Carbon.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Glen Carbon. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 4,833 Mbps.
Show all download speeds
- 95.8% up to 5,000.0 Mbps
- 4.2% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Glen Carbon 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 Glen Carbon fiber providers. EarthLink 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 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 4,833 Mbps.
Show all upload speeds
- 95.8% up to 5,000.0 Mbps
- 4.2% up to 1,000.0 Mbps
AT&T Fiber in Glen Carbon, IL
AT&T fiber coverage
About 30.23%, or 4,732 people, have AT&T fiber internet available to them in the city. The company covers the northwest, northeast, southwest, west, south, north, southeast, and central Glen Carbon 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 Glen Carbon.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Glen Carbon. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are 2 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 4,833 Mbps.
Show all download speeds
- 95.8% up to 5,000.0 Mbps
- 4.2% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Glen Carbon 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 Glen Carbon fiber providers. AT&T 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 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 4,833 Mbps.
Show all upload speeds
- 95.8% up to 5,000.0 Mbps
- 4.2% up to 1,000.0 Mbps
Sparklight Fiber in Glen Carbon, IL
Sparklight fiber coverage
About 26.64%, or 4,170 people, have Sparklight fiber internet available to them in the city. The company covers the entire Glen Carbon area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Glen Carbon.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Glen Carbon. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from Sparklight goes up to 7,000 Mbps, and all Glen Carbon customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Glen Carbon 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 Glen Carbon fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Glen Carbon is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Glen Carbon, IL
T-Mobile Home Internet fixed wireless coverage
About 98.37%, or 15,399 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Glen Carbon area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Glen Carbon.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Glen Carbon. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 68 Mbps.
Show all download speeds
- 57.2% up to 100.0 Mbps
- 42.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and average compared to other Glen Carbon fixed wireless providers. T-Mobile Home Internet 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 13 Mbps.
Show all upload speeds
- 57.2% up to 20.0 Mbps
- 42.8% up to 3.0 Mbps
Verizon Fixed Wireless in Glen Carbon, IL
Verizon fixed wireless coverage
About 73.71%, or 11,538 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Glen Carbon area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Glen Carbon.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Glen Carbon. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from Verizon goes up to 300 Mbps, and all Glen Carbon customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Glen Carbon fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Glen Carbon is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Wisper Internet Fixed Wireless in Glen Carbon, IL
Wisper Internet fixed wireless coverage
About 69.58%, or 10,892 people, have Wisper Internet fixed wireless internet available to them in the city. The company covers the entire Glen Carbon area. Wisper Internet is a large internet service provider internet service providers in the US, with internet service available in much of Glen Carbon.
Wisper Internet fixed wireless download speeds
Wisper Internet is below average when comparing download speeds to all other internet providers in Glen Carbon. Versus other fixed wireless providers in the area, Wisper Internet fixed wireless is above average. There are 3 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from Wisper Internet goes up to 400 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 126 Mbps.
Show all download speeds
- 16.9% up to 400.0 Mbps
- 50.3% up to 100.0 Mbps
- 32.7% up to 25.0 Mbps
Wisper Internet fixed wireless upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for Wisper Internet fixed wireless. Compared to other ISPs, Wisper Internet is below average where upload speeds are concerned, and above average compared to other Glen Carbon fixed wireless providers. Wisper Internet offers 3 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 30 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, Wisper Internet customers can get speeds up to 16 Mbps.
Show all upload speeds
- 16.9% up to 30.0 Mbps
- 50.3% up to 20.0 Mbps
- 32.7% up to 3.0 Mbps
EarthLink Fixed Wireless in Glen Carbon, IL
EarthLink fixed wireless coverage
About 60.19%, or 9,422 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Glen Carbon area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Glen Carbon.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Glen Carbon. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 42 Mbps.
Show all download speeds
- 22.3% up to 100.0 Mbps
- 77.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Glen Carbon fixed wireless providers. EarthLink 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 6.8 Mbps.
Show all upload speeds
- 22.3% up to 20.0 Mbps
- 77.7% up to 3.0 Mbps
AT&T Fixed Wireless in Glen Carbon, IL
AT&T fixed wireless coverage
About 60.19%, or 9,422 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Glen Carbon area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Glen Carbon.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Glen Carbon. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Glen Carbon. The fastest plan anyone in Glen Carbon can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Glen Carbon customers is up to 42 Mbps.
Show all download speeds
- 22.3% up to 100.0 Mbps
- 77.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Glen Carbon download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Glen Carbon fixed wireless providers. AT&T 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 6.8 Mbps.
Show all upload speeds
- 22.3% up to 20.0 Mbps
- 77.7% up to 3.0 Mbps
Glen Carbon Internet 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 internet in Glen Carbon compare to the rest of Illinois?
Internet speeds in Glen Carbon are faster versus the average speeds in Illinois: 2,791 Mbps in Illinois versus 3,407 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Illinois is 99.02% versus 100.00% in Glen Carbon.
What zip codes have widespread internet?
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 internet service 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: less internet coverage, slower speeds
- Edwardsville, IL: less internet coverage, faster speeds
- Poag, IL: less internet coverage, slower speeds
- Meadow Heights, IL: equal internet coverage, slower speeds
- Kuhn Station, IL: equal internet coverage, slower speeds
- Troy, IL: less internet coverage, slower speeds
- Wanda, IL: equal internet coverage, slower speeds
- Collinsville, IL: less internet coverage, faster speeds
- Pontoon Beach, IL: less internet coverage, slower speeds
- Lumaghi Heights, IL: equal internet coverage, faster speeds
Cities with Similar Populations
- Stella Rincon, PR: less internet coverage, slower speeds
- Glens Falls, NY: equal internet coverage, slower speeds
- Glenshaw, PA: less internet coverage, slower speeds
- Glenwood Springs, CO: less internet coverage, slower speeds
- Gulf Shores, AL: less internet coverage, faster speeds
- Hanover, MA: equal internet coverage, slower speeds
- South River, NJ: equal internet coverage, slower speeds
- South Sioux City, NE: less internet coverage, slower speeds
- Sparta, WI: less internet coverage, faster speeds
- Spring Branch, TX: less internet coverage, slower speeds