In Fosterburg there are 3 residential Fiber providers covering 71.73% of the city. The average home can get speeds up to 4,914 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 Fosterburg, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Fosterburg, IL please click below.
Fosterburg, IL Availability Maps
Fiber Internet Service Providers in Fosterburg
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 Fosterburg are not shown.
Fosterburg 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 Fosterburg is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 71.73% of Fosterburg. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in Fosterburg above to see who has service at your home.
How fast is fiber internet in Fosterburg?
The map below shows maximum fiber internet speeds by area in Fosterburg.
Fiber Internet Speed Key
The average Fosterburg home can get up to 4,914 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 46.79% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 24.94% 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 Fosterburg.
Fiber internet speeds tend to be faster in the south parts of Fosterburg, and slower in the northwest areas of the city.
Is fiber the fastest internet I can get in Fosterburg?
The fastest internet for you may vary based on where in Fosterburg you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 71.73% of Fosterburg homes.
- Cable is fastest for 22.09% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 6.18%.
- Satellite internet may be the only option for less than 1% of Fosterburg homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Fosterburg, along with details on where in Fosterburg and at what speeds.
Sparklight Fiber in Fosterburg, IL
Sparklight fiber coverage
About 46.79%, or 197 people, have Sparklight fiber internet available to them in the city. The company covers the south, southeast, and east Fosterburg area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in some of Fosterburg.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Fosterburg. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Fosterburg. The fastest plan anyone in Fosterburg can order from Sparklight goes up to 7,000 Mbps, and all Fosterburg customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Fosterburg 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 Fosterburg fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Fosterburg is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Spectrum Fiber in Fosterburg, IL
Spectrum fiber coverage
About 21.38%, or 90 people, have Spectrum fiber internet available to them in the city. The company covers the northwest Fosterburg area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Fosterburg.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Fosterburg. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Fosterburg. The fastest plan anyone in Fosterburg can order from Spectrum goes up to 1,000 Mbps, and all Fosterburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Fosterburg download speeds tend to be equal to than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and below average compared to other Fosterburg fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Fosterburg is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Madison communications Fiber in Fosterburg, IL
Madison communications fiber coverage
About 3.56%, or 15 people, have Madison communications fiber internet available to them in the city. The company covers the northeast Fosterburg area. Madison communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Fosterburg.
Madison communications fiber download speeds
Madison communications is above average when comparing download speeds to all other internet providers in Fosterburg. Versus other fiber providers in the area, Madison communications fiber is one of the slowest. There are no different maximum speeds throughout Fosterburg. The fastest plan anyone in Fosterburg can order from Madison communications goes up to 1,000 Mbps, and all Fosterburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Madison communications fiber upload speeds
In Fosterburg download speeds tend to be faster than than upload speeds for Madison communications fiber. Compared to other ISPs, Madison communications is below average where upload speeds are concerned, and the slowest compared to other Fosterburg fiber providers. Madison communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Fosterburg is up to 150 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 150.0 Mbps
Fosterburg Fiber by Area
This information is most helpful to those looking for homes or considering moving to Fosterburg or any of the areas nearby.
How does fiber internet in Fosterburg compare to the rest of Illinois?
Fiber internet speeds in Fosterburg are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 4,914 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 71.73% in Fosterburg.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Fosterburg 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
- Dorsey, IL: more fiber coverage, slower speeds
- Bethalto, IL: less fiber coverage, faster speeds
- Cottage Hills, IL: less fiber coverage, faster speeds
- Moro, IL: less fiber coverage, slower speeds
- Woodburn, IL: more fiber coverage, slower speeds
- Miles Station, IL: less fiber coverage, slower speeds
- Bunker Hill, IL: less fiber coverage, slower speeds
- Brighton, IL: less fiber coverage, slower speeds
- East Alton, IL: less fiber coverage, faster speeds
- Holiday Shores, IL: more fiber coverage, slower speeds
Cities with Similar Populations
- Leathersville, GA: more fiber coverage, slower speeds
- Lattasburg, OH: less fiber coverage, slower speeds
- Latch, TX: more fiber coverage, slower speeds
- Larkinsville, AL: more fiber coverage, slower speeds
- Langlade, WI: less fiber coverage, slower speeds
- La Casita, TX: more fiber coverage, faster speeds
- Johnstonville, GA: more fiber coverage, slower speeds
- Jewett, NY: less fiber coverage, slower speeds
- Roslyn, SD: more fiber coverage, slower speeds
- Irwin, ID: less fiber coverage, slower speeds