In South Byron there are 2 residential Cable providers covering 23.38% of the city. 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 Cable internet providers in South Byron, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in South Byron, WI please click below.
South Byron, WI Availability Maps
Cable Internet Service Providers in South Byron
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 South Byron are not shown.
South Byron 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 South Byron is cable internet available?
Cable Internet Availability Key
Cable is available in 23.38% of South Byron. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Astrea. Call one of the companies with service in South Byron above to see who has service at your home.
How fast is cable internet in South Byron?
The map below shows maximum cable internet speeds by area in South Byron.
Cable Internet Speed Key
The average South Byron home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 23.38% of residents can get.
Is cable the fastest internet I can get in South Byron?
The fastest internet for you may vary based on where in South Byron you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 92.70% of South Byron homes.
- Cable is fastest for 7.30% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of South Byron homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in South Byron, along with details on where in South Byron and at what speeds.
Astrea Cable in South Byron, WI
Astrea cable coverage
About 23.38%, or 141 people, have Astrea cable internet available to them in the city. The company covers the southwest and south South Byron area. Astrea is a large internet service provider internet service providers in the US, with internet service available in a small portion of South Byron.
Astrea cable download speeds
Astrea is one of the fastest when comparing download speeds to all other internet providers in South Byron. Versus other cable providers in the area, Astrea cable is one of the fastest. There are no different maximum speeds throughout South Byron. The fastest plan anyone in South Byron can order from Astrea goes up to 1,000 Mbps, and all South Byron customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astrea cable upload speeds
In South Byron download speeds tend to be faster than than upload speeds for Astrea cable. Compared to other ISPs, Astrea is below average where upload speeds are concerned, and the fastest compared to other South Byron cable providers. Astrea offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Byron is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Spectrum Cable in South Byron, WI
Spectrum cable coverage
About 16.25%, or 98 people, have Spectrum cable internet available to them in the city. The company covers the southwest and south South Byron 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 South Byron.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in South Byron. Versus other cable providers in the area, Spectrum cable is one of the fastest. There are no different maximum speeds throughout South Byron. The fastest plan anyone in South Byron can order from Spectrum goes up to 1,000 Mbps, and all South Byron customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In South Byron download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other South Byron cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Byron is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
South Byron Cable by Area
This information is most helpful to those looking for homes or considering moving to South Byron or any of the areas nearby.
How does cable internet in South Byron compare to the rest of Wisconsin?
Cable internet speeds in South Byron are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Wisconsin is 0.00% versus 23.38% in South Byron.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around South Byron are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Brownsville, WI: more cable coverage, similar speeds
- Lomira, WI: more cable coverage, similar speeds
- Marblehead, WI: more cable coverage, similar speeds
- Oakfield, WI: more cable coverage, similar speeds
- Eden, WI: more cable coverage, similar speeds
- Oak Center, WI: less cable coverage, similar speeds
- Byron, WI: more cable coverage, similar speeds
- Fond Du Lac, WI: more cable coverage, similar speeds
- Kekoskee, WI: more cable coverage, similar speeds
- Theresa, WI: more cable coverage, similar speeds
Cities with Similar Populations
- Nelliston, NY: more cable coverage, similar speeds
- Rock Spring, NC: more cable coverage, slower speeds
- Rock, MI: more cable coverage, similar speeds
- Robles Del Rio, CA: more cable coverage, faster speeds
- Ritchie, TN: more cable coverage, similar speeds
- Platter, OK: more cable coverage, faster speeds
- Pipersville, WI: more cable coverage, similar speeds
- Mount Pleasant, WA: less cable coverage, faster speeds
- Mount Aetna, PA: more cable coverage, faster speeds
- Moultonborough Falls, NH: more cable coverage, similar speeds