In Mason County there are 2 residential Fiber providers covering 81.49% of the county. The average home can get speeds up to 1,057 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 Mason County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Mason County, IL please click below.
Mason County, IL Availability Maps
Fiber Internet Service Providers in Mason 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 Mason County are not shown.
Mason 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 Mason County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 81.49% of Mason County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is CASSCOMM. Call one of the companies with service in Mason County above to see who has service at your home.
How fast is fiber internet in Mason County?
The map below shows maximum fiber internet speeds by area in Mason County.
Fiber Internet Speed Key
The average Mason County home can get up to 1,057 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 2.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.06% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Mason County.
Fiber internet speeds tend to be faster in the northeast parts of Mason County, and slower in the south areas of the county.
Is fiber the fastest internet I can get in Mason County?
The fastest internet for you may vary based on where in Mason County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 80.21% of Mason County homes.
- Cable is fastest for 1.76% of the county.
- DSL is fastest for 1.18%.
- Fixed wireless is fastest for 16.27%.
- Satellite internet may be the only option for less than 1% of Mason County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Mason County, along with details on where in Mason County and at what speeds.
CASSCOMM Fiber in Mason County, IL
CASSCOMM fiber coverage
About 79.19%, or 10,363 people, have CASSCOMM fiber internet available to them in the county. The company covers the entire Mason County area. CASSCOMM is a large internet service provider internet service providers in the US, with internet service available in much of Mason County.
CASSCOMM fiber download speeds
CASSCOMM is above average when comparing download speeds to all other internet providers in Mason County. Versus other fiber providers in the area, CASSCOMM fiber is the slowest. There are 2 different maximum speeds throughout Mason County. The fastest plan anyone in Mason County can order from CASSCOMM goes up to 1,000 Mbps, the slowest package only goes up to 100 Mbps, and the county-wide average maximum speed for Mason County customers is up to 943 Mbps.
Show all download speeds
- 93.6% up to 1,000.0 Mbps
- 6.4% up to 100.0 Mbps
CASSCOMM fiber upload speeds
In Mason County download speeds tend to be faster than than upload speeds for CASSCOMM fiber. Compared to other ISPs, CASSCOMM is above average where upload speeds are concerned, and the slowest compared to other Mason County fiber providers. CASSCOMM offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mason County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 25 Mbps. On average, CASSCOMM customers can get speeds up to 938 Mbps.
Show all upload speeds
- 93.6% up to 1,000.0 Mbps
- 6.4% up to 25.0 Mbps
Conxxus Fiber in Mason County, IL
Conxxus fiber coverage
About 2.30%, or 301 people, have Conxxus fiber internet available to them in the county. The company covers the northeast and east Mason County area. Conxxus is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Mason County.
Conxxus fiber download speeds
Conxxus is the fastest when comparing download speeds to all other internet providers in Mason County. Versus other fiber providers in the area, Conxxus fiber is the fastest. There are no different maximum speeds throughout Mason County. The fastest plan anyone in Mason County can order from Conxxus goes up to 5,000 Mbps, and all Mason County customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Conxxus fiber upload speeds
In Mason County download speeds tend to be equal to than upload speeds for Conxxus fiber. Compared to other ISPs, Conxxus is the fastest where upload speeds are concerned, and the fastest compared to other Mason County fiber providers. Conxxus offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mason County is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Mason County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Mason County or any of the areas nearby.
How does fiber internet in Mason County compare to the rest of Illinois?
Fiber internet speeds in Mason County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,057 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 81.49% in Mason County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Mason 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
- Logan County, IL: less fiber coverage, faster speeds
- Schuyler County, IL: less fiber coverage, slower speeds
- De Witt County, IL: less fiber coverage, faster speeds
- Champaign County, IL: more fiber coverage, faster speeds
- Vermilion County, IL: less fiber coverage, faster speeds
- Knox County, MO: less fiber coverage, faster speeds
- Warren County, IN: less fiber coverage, slower speeds
- Fountain County, IN: less fiber coverage, faster speeds
- Adair County, MO: less fiber coverage, slower speeds
- Sullivan County, MO: more fiber coverage, faster speeds
Counties with Similar Populations
- Moody County, SD: more fiber coverage, slower speeds
- Orange County, IN: more fiber coverage, slower speeds
- Norton County, KS: more fiber coverage, slower speeds
- Norton City, VA: more fiber coverage, slower speeds
- Northwest Arctic Borough, AK: less fiber coverage, faster speeds
- Northumberland County, VA: less fiber coverage, slower speeds
- Morris County, KS: more fiber coverage, slower speeds
- Morrill County, NE: less fiber coverage, slower speeds
- Mora County, NM: more fiber coverage, slower speeds
- Moore County, TN: less fiber coverage, faster speeds