In Green Castle there is 1 residential Cable provider covering 38.00% 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 Green Castle, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Green Castle, IA please click below.
Green Castle, IA Availability Maps
Cable Internet Service Provider in Green Castle
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 Green Castle are not shown.
Green Castle 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 Green Castle is cable internet available?
Cable Internet Availability Key
Cable is available in 38.00% of Green Castle. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Mediacom. Call one of the companies with service in Green Castle above to see who has service at your home.
How fast is cable internet in Green Castle?
The map below shows maximum cable internet speeds by area in Green Castle.
Cable Internet Speed Key
The average Green Castle 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 38.00% of residents can get.
Is cable the fastest internet I can get in Green Castle?
The fastest internet for you may vary based on where in Green Castle you live. In general, fixed wireless competes most often with cable in the city.
- Fiber is the fastest internet type for less than 1% of Green Castle homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 100.00%.
- Satellite internet may be the only option for less than 1% of Green Castle homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Green Castle, along with details on where in Green Castle and at what speeds.
Mediacom Cable in Green Castle, IA
Mediacom cable coverage
About 38.00%, or 57 people, have Mediacom cable internet available to them in the city. The company covers the northeast and south Green Castle area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in some of Green Castle.
Mediacom cable download speeds
Mediacom is the fastest when comparing download speeds to all other internet providers in Green Castle. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Green Castle. The fastest plan anyone in Green Castle can order from Mediacom goes up to 1,000 Mbps, and all Green Castle customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Green Castle download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other Green Castle cable providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Green Castle is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Green Castle Cable by Area
This information is most helpful to those looking for homes or considering moving to Green Castle or any of the areas nearby.
How does cable internet in Green Castle compare to the rest of Iowa?
Cable internet speeds in Green Castle are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Iowa is 0.00% versus 38.00% in Green Castle.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Green Castle 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
- Colfax, IA: more cable coverage, similar speeds
- Mitchellville, IA: more cable coverage, similar speeds
- Prairie City, IA: more cable coverage, similar speeds
- Lambs Grove, IA: more cable coverage, similar speeds
- Bondurant, IA: more cable coverage, similar speeds
- Ivy, IA: more cable coverage, similar speeds
- Newton, IA: more cable coverage, similar speeds
- Altoona, IA: more cable coverage, similar speeds
- Runnells, IA: less cable coverage, similar speeds
- Monroe, IA: more cable coverage, similar speeds
Cities with Similar Populations
- Dog Town, PA: more cable coverage, faster speeds
- Wilbren, OH: more cable coverage, similar speeds
- Wildwood Gables, NJ: more cable coverage, faster speeds
- Diefenbach Corners, WI: more cable coverage, similar speeds
- Dean, LA: less cable coverage, slower speeds
- Stet, MO: less cable coverage, similar speeds
- Wende, AL: more cable coverage, similar speeds
- Wendell, NH: more cable coverage, faster speeds
- Eden, CO: more cable coverage, faster speeds
- denney-ky: less cable coverage, slower speeds