In Alexander County there is 1 residential Fiber provider covering 95.73% of the county. The average home can get speeds up to 7,000 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 Fiber internet providers in Alexander County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Alexander County, IL please click below.
Alexander County, IL Availability Maps
Fiber Internet Service Provider in Alexander County
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 Alexander County are not shown.
Alexander County 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 Alexander County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 95.73% of Alexander County. 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 Alexander County above to see who has service at your home.
How fast is fiber internet in Alexander County?
The map below shows maximum fiber internet speeds by area in Alexander County.
Fiber Internet Speed Key
The average Alexander County home can get up to 7,000 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which 95.73% of residents can get.
Is fiber the fastest internet I can get in Alexander County?
The fastest internet for you may vary based on where in Alexander County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 95.73% of Alexander County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.05%.
- Satellite internet may be the only option for 1.22% of Alexander County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Alexander County, along with details on where in Alexander County and at what speeds.
Sparklight Fiber in Alexander County, IL
Sparklight fiber coverage
About 95.73%, or 5,016 people, have Sparklight fiber internet available to them in the county. The company covers the entire Alexander County area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in most of Alexander County.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Alexander County. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Alexander County. The fastest plan anyone in Alexander County can order from Sparklight goes up to 7,000 Mbps, and all Alexander County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Alexander County 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 Alexander County fiber providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Alexander County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Alexander County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Alexander County or any of the areas nearby.
How does fiber internet in Alexander County compare to the rest of Illinois?
Fiber internet speeds in Alexander County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 7,000 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 95.73% in Alexander County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Alexander County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Pulaski County, IL: less fiber coverage, slower speeds
- Scott County, MO: less fiber coverage, slower speeds
- Ballard County, KY: more fiber coverage, slower speeds
- Massac County, IL: more fiber coverage, faster speeds
- McCracken County, KY: less fiber coverage, slower speeds
- Livingston County, KY: less fiber coverage, slower speeds
- Lyon County, KY: less fiber coverage, slower speeds
- Wayne County, MO: less fiber coverage, slower speeds
- Caldwell County, KY: less fiber coverage, slower speeds
- Shannon County, MO: less fiber coverage, slower speeds
Counties with Similar Populations
- Daggett County, UT: less fiber coverage, slower speeds
- Perquimans County, NC: less fiber coverage, slower speeds
- McIntosh County, ND: more fiber coverage, slower speeds
- McIntosh County, GA: more fiber coverage, slower speeds
- Chowan County, NC: less fiber coverage, slower speeds
- Culberson County, TX: less fiber coverage, slower speeds
- Culebra Municipio, PR: less fiber coverage, slower speeds
- Terrell County, TX: less fiber coverage, slower speeds
- Custer County, ID: less fiber coverage, slower speeds
- Petroleum County, MT: less fiber coverage, slower speeds