Click if you were looking for Williamson County cell phone providers and coverage instead.
In Williamson County there are 7 residential Fixed Wireless providers covering 99.08% of the county. The average home can get speeds up to 328 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 Fixed Wireless internet providers in Williamson County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Williamson County, IL please click below.
Williamson County, IL Availability Maps
Fixed Wireless Internet Service Providers in Williamson 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 Williamson County are not shown.
Williamson 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 Williamson County is fixed wireless internet available?
Fixed Wireless Internet Availability Key
Fixed Wireless is available in 99.08% of Williamson County. Areas in green have fixed wireless internet service, where areas in yellow or red may not. The most widely available provider is Wisper Internet. Call one of the companies with service in Williamson County above to see who has service at your home.
How fast is fixed wireless internet in Williamson County?
The map below shows maximum fixed wireless internet speeds by area in Williamson County.
Fixed Wireless Internet Speed Key
The average Williamson County home can get up to 328 Mbps on their fixed wireless internet plan. The fastest fixed wireless download speed in the county is 400 Mbps, which 65.99% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.48% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Williamson County.
Fixed Wireless internet speeds tend to be faster in the southeast parts of Williamson County, and slower in the southwest areas of the county.
Is fixed wireless the fastest internet I can get in Williamson County?
The fastest internet for you may vary based on where in Williamson County you live. In general, fiber competes most often with fixed wireless in the county.
- Fiber is the fastest internet type for 93.99% of Williamson County homes.
- Cable is fastest for 4.36% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.19%.
- Satellite internet may be the only option for less than 1% of Williamson County homes.
Fixed Wireless Providers in Depth
Below you'll find which TV and internet providers offer service in Williamson County, along with details on where in Williamson County and at what speeds.
Wisper Internet Fixed Wireless in Williamson County, IL
Wisper Internet fixed wireless coverage
About 85.14%, or 57,174 people, have Wisper Internet fixed wireless internet available to them in the county. The company covers the entire Williamson County area. Wisper Internet is a large internet service provider internet service providers in the US, with internet service available in most of Williamson County.
Wisper Internet fixed wireless download speeds
Wisper Internet is below average when comparing download speeds to all other internet providers in Williamson County. Versus other fixed wireless providers in the area, Wisper Internet fixed wireless is the fastest. There are 4 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from Wisper Internet goes up to 400 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 331 Mbps.
Show all download speeds
- 77.5% up to 400.0 Mbps
- 20.8% up to 100.0 Mbps
- 1.0% up to 50.0 Mbps
- 0.8% up to 25.0 Mbps
Wisper Internet fixed wireless upload speeds
In Williamson County 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 Williamson County fixed wireless providers. Wisper Internet offers 4 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 Williamson County 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 27 Mbps.
Show all upload speeds
- 77.5% up to 30.0 Mbps
- 20.8% up to 20.0 Mbps
- 1.0% up to 5.0 Mbps
- 0.8% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Williamson County, IL
T-Mobile Home Internet fixed wireless coverage
About 81.88%, or 54,985 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Williamson County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Williamson County.
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 Williamson County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 62 Mbps.
Show all download speeds
- 49.0% up to 100.0 Mbps
- 51.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Williamson County 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 below average compared to other Williamson County fixed wireless providers. T-Mobile Home Internet 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 Williamson County 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 11 Mbps.
Show all upload speeds
- 49.0% up to 20.0 Mbps
- 51.0% up to 3.0 Mbps
EarthLink Fixed Wireless in Williamson County, IL
EarthLink fixed wireless coverage
About 66.49%, or 44,652 people, have EarthLink fixed wireless internet available to them in the county. The company covers the entire Williamson County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Williamson County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Williamson County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 34 Mbps.
Show all download speeds
- 11.7% up to 100.0 Mbps
- 88.3% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Williamson County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Williamson County fixed wireless providers. EarthLink 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 Williamson County 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 5.0 Mbps.
Show all upload speeds
- 11.7% up to 20.0 Mbps
- 88.3% up to 3.0 Mbps
AT&T Fixed Wireless in Williamson County, IL
AT&T fixed wireless coverage
About 66.49%, or 44,652 people, have AT&T fixed wireless internet available to them in the county. The company covers the entire Williamson County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Williamson County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Williamson County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 34 Mbps.
Show all download speeds
- 11.7% up to 100.0 Mbps
- 88.3% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Williamson County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Williamson County fixed wireless providers. AT&T 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 Williamson County 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 5.0 Mbps.
Show all upload speeds
- 11.7% up to 20.0 Mbps
- 88.3% up to 3.0 Mbps
Verizon Fixed Wireless in Williamson County, IL
Verizon fixed wireless coverage
About 47.21%, or 31,700 people, have Verizon fixed wireless internet available to them in the county. The company covers the west, north, northwest, northeast, southeast, central, east, and south Williamson County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Williamson County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Williamson County. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from Verizon goes up to 300 Mbps, and all Williamson County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Williamson County 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 average compared to other Williamson County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamson County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Mediacom Fixed Wireless in Williamson County, IL
Mediacom fixed wireless coverage
About 36.06%, or 24,215 people, have Mediacom fixed wireless internet available to them in the county. The company covers the southeast, east, south, north, central, northeast, and west Williamson County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in some of Williamson County.
Mediacom fixed wireless download speeds
Mediacom is below average when comparing download speeds to all other internet providers in Williamson County. Versus other fixed wireless providers in the area, Mediacom fixed wireless is below average. There are 3 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from Mediacom goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 72 Mbps.
Show all download speeds
- 54.4% up to 100.0 Mbps
- 24.1% up to 50.0 Mbps
- 21.5% up to 25.0 Mbps
Mediacom fixed wireless upload speeds
In Williamson County download speeds tend to be faster than than upload speeds for Mediacom fixed wireless. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and below average compared to other Williamson County fixed wireless providers. Mediacom offers 3 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 Williamson County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, Mediacom customers can get speeds up to 13 Mbps.
Show all upload speeds
- 54.4% up to 20.0 Mbps
- 24.1% up to 5.0 Mbps
- 21.5% up to 3.0 Mbps
Southern Illinois Wireless Internet Fixed Wireless in Williamson County, IL
4SIWI fixed wireless coverage
About 28.58%, or 19,195 people, have 4SIWI fixed wireless internet available to them in the county. The company covers the east, southeast, south, northeast, central, north, west, and southwest Williamson County area. 4SIWI is a large internet service provider internet service providers in the US, with internet service available in a small portion of Williamson County.
Southern Illinois Wireless Internet fixed wireless download speeds
4SIWI is below average when comparing download speeds to all other internet providers in Williamson County. Versus other fixed wireless providers in the area, 4SIWI fixed wireless is below average. There are no different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from 4SIWI goes up to 100 Mbps, and all Williamson County customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Southern Illinois Wireless Internet fixed wireless upload speeds
In Williamson County download speeds tend to be faster than than upload speeds for 4SIWI fixed wireless. Compared to other ISPs, 4SIWI is below average where upload speeds are concerned, and average compared to other Williamson County fixed wireless providers. 4SIWI offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamson County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Williamson County Fixed Wireless by Area
This information is most helpful to those looking for homes or considering moving to Williamson County or any of the areas nearby.
How does fixed wireless internet in Williamson County compare to the rest of Illinois?
Fixed Wireless internet speeds in Williamson County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 328 Mbps in the county. The state has similar fixed wireless availability compared to the county. Average fixed wireless coverage in Illinois is 0.00% versus 99.08% in Williamson County.
What zip codes have fixed wireless internet?
Fixed Wireless internet coverage varies by zip code and neighborhood. Some examples in or around Williamson County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fixed wireless 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
- Jackson County, IL: less fixed wireless coverage, slower speeds
- Saline County, IL: less fixed wireless coverage, slower speeds
- Gallatin County, IL: less fixed wireless coverage, slower speeds
- Perry County, MO: more fixed wireless coverage, faster speeds
- Union County, KY: less fixed wireless coverage, slower speeds
- Henderson County, KY: more fixed wireless coverage, slower speeds
- St. Francois County, MO: more fixed wireless coverage, faster speeds
- Daviess County, KY: more fixed wireless coverage, slower speeds
- Hancock County, KY: less fixed wireless coverage, slower speeds
- Breckinridge County, KY: less fixed wireless coverage, slower speeds
Counties with Similar Populations
- Valencia County, NM: less fixed wireless coverage, slower speeds
- White County, AR: less fixed wireless coverage, slower speeds
- Pulaski County, KY: less fixed wireless coverage, slower speeds
- Otero County, NM: less fixed wireless coverage, slower speeds
- Otsego County, NY: less fixed wireless coverage, slower speeds
- Oxford County, ME: less fixed wireless coverage, slower speeds
- Pender County, NC: less fixed wireless coverage, slower speeds
- Pickaway County, OH: more fixed wireless coverage, slower speeds
- Pike County, KY: less fixed wireless coverage, slower speeds
- Pike County, PA: less fixed wireless coverage, slower speeds