In Brown County there are 2 residential Fiber providers covering 59.05% of the county. 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 Fiber internet providers in Brown County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Brown County, IL please click below.
Brown County, IL Availability Maps
Fiber Internet Service Providers in Brown 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 Brown County are not shown.
Brown 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 Brown County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 59.05% of Brown County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Adams Telephone Co-Operative. Call one of the companies with service in Brown County above to see who has service at your home.
How fast is fiber internet in Brown County?
The map below shows maximum fiber internet speeds by area in Brown County.

Fiber Internet Speed Key
The average Brown County home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 1,000 Mbps, which 59.05% of residents can get.
Is fiber the fastest internet I can get in Brown County?
The fastest internet for you may vary based on where in Brown County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 59.05% of Brown County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 39.16%.
- Satellite internet may be the only option for 1.79% of Brown County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Brown County, along with details on where in Brown County and at what speeds.
Adams Telephone Co-Operative Fiber in Brown County, IL

Adams Telephone Co-Operative fiber coverage
About 51.78%, or 3,233 people, have Adams Telephone Co-Operative fiber internet available to them in the county. The company covers the central, north, northwest, south, west, southwest, southeast, and east Brown County area. Adams Telephone Co-Operative is a large internet service provider internet service providers in the US, with internet service available in a majority of Brown County.
Adams Telephone Co-Operative fiber download speeds
Adams Telephone Co-Operative is one of the fastest when comparing download speeds to all other internet providers in Brown County. Versus other fiber providers in the area, Adams Telephone Co-Operative fiber is one of the fastest. There are no different maximum speeds throughout Brown County. The fastest plan anyone in Brown County can order from Adams Telephone Co-Operative goes up to 1,000 Mbps, and all Brown County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Adams Telephone Co-Operative fiber upload speeds
In Brown County download speeds tend to be equal to than upload speeds for Adams Telephone Co-Operative fiber. Compared to other ISPs, Adams Telephone Co-Operative is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Brown County fiber providers. Adams Telephone Co-Operative offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Brown County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
CASSCOMM Fiber in Brown County, IL

CASSCOMM fiber coverage
About 46.35%, or 2,894 people, have CASSCOMM fiber internet available to them in the county. The company covers the central, north, southeast, northwest, and west Brown County area. CASSCOMM is a large internet service provider internet service providers in the US, with internet service available in some of Brown County.
CASSCOMM fiber download speeds
CASSCOMM is one of the fastest when comparing download speeds to all other internet providers in Brown County. Versus other fiber providers in the area, CASSCOMM fiber is one of the fastest. There are no different maximum speeds throughout Brown County. The fastest plan anyone in Brown County can order from CASSCOMM goes up to 1,000 Mbps, and all Brown County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
CASSCOMM fiber upload speeds
In Brown County download speeds tend to be equal to than upload speeds for CASSCOMM fiber. Compared to other ISPs, CASSCOMM is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Brown County fiber providers. CASSCOMM offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Brown County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Brown County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Brown County or any of the areas nearby.
How does fiber internet in Brown County compare to the rest of Illinois?
Fiber internet speeds in Brown County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,000 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 59.05% in Brown County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Brown 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
- Cass County, IL: more fiber coverage, slower speeds
- Adams County, IL: more fiber coverage, similar speeds
- Lewis County, MO: more fiber coverage, faster speeds
- Menard County, IL: more fiber coverage, faster speeds
- Macon County, IL: less fiber coverage, faster speeds
- Piatt County, IL: more fiber coverage, faster speeds
- Grundy County, MO: more fiber coverage, similar speeds
- Daviess County, MO: less fiber coverage, faster speeds
- DeKalb County, MO: more fiber coverage, faster speeds
- Montgomery County, IN: more fiber coverage, faster speeds
Counties with Similar Populations
- Gilliam County, OR: less fiber coverage, similar speeds
- Menard County, TX: more fiber coverage, faster speeds
- Carson County, TX: more fiber coverage, faster speeds
- Carter County, MO: less fiber coverage, similar speeds
- Washington County, NC: more fiber coverage, faster speeds
- Glascock County, GA: less fiber coverage, faster speeds
- Cass County, IL: more fiber coverage, slower speeds
- Washington County, IL: less fiber coverage, similar speeds
- Catron County, NM: less fiber coverage, similar speeds
- Gilpin County, CO: more fiber coverage, slower speeds


