In O'fallon there are 2 residential Cable providers covering 99.36% 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 O'fallon, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in O'fallon, MO please click below.
O'fallon, MO Availability Maps
Cable Internet Service Providers in O'fallon
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 O'fallon are not shown.
O'fallon 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 O'fallon is cable internet available?
Cable Internet Availability Key
Cable is available in 99.36% of O'fallon. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in O'fallon above to see who has service at your home.
How fast is cable internet in O'fallon?
The map below shows maximum cable internet speeds by area in O'fallon.
Cable Internet Speed Key
The average O'fallon 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 99.36% of residents can get.
Is cable the fastest internet I can get in O'fallon?
The fastest internet for you may vary based on where in O'fallon you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 84.93% of O'fallon homes.
- Cable is fastest for 14.46% 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 O'fallon homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in O'fallon, along with details on where in O'fallon and at what speeds.
Spectrum Cable in O'fallon, MO
Spectrum cable coverage
About 99.36%, or 75,287 people, have Spectrum cable internet available to them in the city. The company covers the entire O'fallon area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of O'fallon.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in O'fallon. Versus other cable providers in the area, Spectrum cable is one of the fastest. There are no different maximum speeds throughout O'fallon. The fastest plan anyone in O'fallon can order from Spectrum goes up to 1,000 Mbps, and all O'fallon customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In O'fallon 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 fastest compared to other O'fallon cable providers. Spectrum offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in O'fallon is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 1,000 Mbps.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
- 0.0% up to 35.0 Mbps
Cable One Cable in O'fallon, MO
Cable One cable coverage
About 2.63%, or 1,993 people, have Cable One cable internet available to them in the city. The company covers the southwest O'fallon area. Cable One is a large internet service provider internet service providers in the US, with internet service available in a very small piece of O'fallon.
Cable One cable download speeds
Cable One is below average when comparing download speeds to all other internet providers in O'fallon. Versus other cable providers in the area, Cable One cable is one of the fastest. There are no different maximum speeds throughout O'fallon. The fastest plan anyone in O'fallon can order from Cable One goes up to 1,000 Mbps, and all O'fallon customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Cable One cable upload speeds
In O'fallon download speeds tend to be faster than than upload speeds for Cable One cable. Compared to other ISPs, Cable One is below average where upload speeds are concerned, and the slowest compared to other O'fallon cable providers. Cable One offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in O'fallon is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
O'fallon Cable by Area
This information is most helpful to those looking for homes or considering moving to O'fallon or any of the areas nearby.
How does cable internet in O'fallon compare to the rest of Missouri?
Cable internet speeds in O'fallon are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Missouri is 0.00% versus 99.36% in O'fallon.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around O'fallon 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
- Dardenne Prairie, MO: more cable coverage, similar speeds
- Cottleville, MO: more cable coverage, similar speeds
- Lake St. Louis, MO: more cable coverage, similar speeds
- St. Paul, MO: less cable coverage, similar speeds
- St. Peters, MO: more cable coverage, similar speeds
- Josephville, MO: less cable coverage, similar speeds
- Weldon Spring Heights, MO: less cable coverage, similar speeds
- Weldon Spring, MO: more cable coverage, similar speeds
- Wentzville, MO: less cable coverage, similar speeds
- Flint Hill, MO: less cable coverage, similar speeds
Cities with Similar Populations
- Oviedo, FL: less cable coverage, faster speeds
- Olympia, WA: less cable coverage, faster speeds
- Oceanside, CA: less cable coverage, faster speeds
- Madera, CA: less cable coverage, faster speeds
- Maryville, TN: less cable coverage, faster speeds
- Marysville, WA: less cable coverage, faster speeds
- Lynchburg, VA: less cable coverage, faster speeds
- McKinney, TX: less cable coverage, faster speeds
- Madison, WI: less cable coverage, similar speeds
- Long Beach, CA: less cable coverage, similar speeds