In Sioux City there are 2 residential Cable providers covering 96.42% of the city. The average home can get speeds up to 1,015 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 Sioux City, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Sioux City, IA please click below.
Sioux City, IA Availability Maps
Cable Internet Service Providers in Sioux City
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 Sioux City are not shown.
Sioux City 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 Sioux City is cable internet available?
Cable Internet Availability Key
Cable is available in 96.42% of Sioux City. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in Sioux City above to see who has service at your home.
How fast is cable internet in Sioux City?
The map below shows maximum cable internet speeds by area in Sioux City.
Cable Internet Speed Key
The average Sioux City home can get up to 1,015 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,500 Mbps, which 2.84% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 93.58% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Sioux City.
Cable internet speeds tend to be faster in the north parts of Sioux City, and slower in the west areas of the city.
Is cable the fastest internet I can get in Sioux City?
The fastest internet for you may vary based on where in Sioux City you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 91.51% of Sioux City homes.
- Cable is fastest for 7.09% 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 Sioux City homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Sioux City, along with details on where in Sioux City and at what speeds.
Sparklight Cable in Sioux City, IA
Sparklight cable coverage
About 96.40%, or 86,057 people, have Sparklight cable internet available to them in the city. The company covers the entire Sioux City area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sioux City.
Sparklight cable download speeds
Sparklight is above average when comparing download speeds to all other internet providers in Sioux City. Versus other cable providers in the area, Sparklight cable is the slowest. There are no different maximum speeds throughout Sioux City. The fastest plan anyone in Sioux City can order from Sparklight goes up to 1,000 Mbps, and all Sioux City customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In Sioux City download speeds tend to be faster than than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and one of the fastest compared to other Sioux City cable providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sioux City is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Long Lines Cable in Sioux City, IA
Long Lines cable coverage
About 2.82%, or 2,519 people, have Long Lines cable internet available to them in the city. The company covers the north and southeast Sioux City area. Long Lines is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sioux City.
Long Lines cable download speeds
Long Lines is above average when comparing download speeds to all other internet providers in Sioux City. Versus other cable providers in the area, Long Lines cable is one of the fastest. There are no different maximum speeds throughout Sioux City. The fastest plan anyone in Sioux City can order from Long Lines goes up to 1,500 Mbps, and all Sioux City customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Long Lines cable upload speeds
In Sioux City download speeds tend to be faster than than upload speeds for Long Lines cable. Compared to other ISPs, Long Lines is below average where upload speeds are concerned, and one of the fastest compared to other Sioux City cable providers. Long Lines offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sioux City is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Sioux City Cable by Area
This information is most helpful to those looking for homes or considering moving to Sioux City or any of the areas nearby.
How does cable internet in Sioux City compare to the rest of Iowa?
Cable internet speeds in Sioux City are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 1,015 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Iowa is 0.00% versus 96.42% in Sioux City.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Sioux City 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
- South Sioux City, NE: more cable coverage, slower speeds
- North Sioux City, SD: more cable coverage, faster speeds
- Dakota City, NE: less cable coverage, slower speeds
- Sergeant Bluff, IA: more cable coverage, faster speeds
- Jefferson, SD: less cable coverage, faster speeds
- Bronson, IA: less cable coverage, faster speeds
- Homer, NE: less cable coverage, slower speeds
- Salix, IA: less cable coverage, faster speeds
- Owego, IA: more cable coverage, faster speeds
- Merrill, IA: less cable coverage, slower speeds
Cities with Similar Populations
- San Rafael, CA: more cable coverage, faster speeds
- Scottsdale, AZ: less cable coverage, faster speeds
- Santa Fe, NM: less cable coverage, faster speeds
- Salem, OR: less cable coverage, faster speeds
- San Francisco, CA: more cable coverage, faster speeds
- Santa Maria, CA: more cable coverage, faster speeds
- Santa Monica, CA: more cable coverage, slower speeds
- Santa Rosa, CA: more cable coverage, faster speeds
- Schenectady, NY: more cable coverage, slower speeds
- Sanford, NC: less cable coverage, slower speeds