In Cos Cob there is 1 residential Cable provider covering 99.71% of the city. The average home can get speeds up to 940 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 Cos Cob, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Cos Cob, CT please click below.
Cable Internet Service Provider in Cos Cob
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 Cos Cob are not shown.
Cos Cob 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 Cos Cob is cable internet available?
Cable Internet Availability Key
Cable is available in 99.71% of Cos Cob. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Optimum. Call one of the companies with service in Cos Cob above to see who has service at your home.
How fast is cable internet in Cos Cob?
The map below shows maximum cable internet speeds by area in Cos Cob.
Cable Internet Speed Key
The average Cos Cob home can get up to 940 Mbps on their cable internet plan. The fastest cable download speed in the city is 940 Mbps, which 99.71% of residents can get.
Is cable the fastest internet I can get in Cos Cob?
The fastest internet for you may vary based on where in Cos Cob you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 99.71% of Cos Cob homes.
- Cable is fastest for less than 1% 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 Cos Cob homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Cos Cob, along with details on where in Cos Cob and at what speeds.
Optimum Cable in Cos Cob, CT
Optimum cable coverage
About 99.71%, or 8,026 people, have Optimum cable internet available to them in the city. The company covers the entire Cos Cob area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Cos Cob.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Cos Cob. Versus other cable providers in the area, Optimum cable is the fastest. There are no different maximum speeds throughout Cos Cob. The fastest plan anyone in Cos Cob can order from Optimum goes up to 940 Mbps, and all Cos Cob customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Cos Cob download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the fastest compared to other Cos Cob cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Cos Cob is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Cos Cob Cable by Area
This information is most helpful to those looking for homes or considering moving to Cos Cob or any of the areas nearby.
How does cable internet in Cos Cob compare to the rest of Connecticut?
Cable internet speeds in Cos Cob are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 940 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Connecticut is 0.00% versus 99.71% in Cos Cob.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Cos Cob 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
- Riverside, CT: more cable coverage, faster speeds
- Old Greenwich, CT: more cable coverage, similar speeds
- Greenwich, CT: less cable coverage, faster speeds
- Stamford, CT: more cable coverage, faster speeds
- Port Chester, NY: less cable coverage, similar speeds
- Rye Brook, NY: more cable coverage, similar speeds
- Darien, CT: more cable coverage, faster speeds
- Purchase, NY: less cable coverage, similar speeds
- Rye, NY: more cable coverage, similar speeds
- Harrison, NY: less cable coverage, similar speeds
Cities with Similar Populations
- Cohasset, MA: more cable coverage, faster speeds
- Solvang, CA: less cable coverage, faster speeds
- Smithville, TX: less cable coverage, faster speeds
- Smithsburg, MD: less cable coverage, faster speeds
- Smiths, AL: less cable coverage, faster speeds
- Creston, IA: less cable coverage, faster speeds
- Cowpens, SC: less cable coverage, faster speeds
- Country Club Estates, GA: less cable coverage, faster speeds
- Colonial Beach, VA: less cable coverage, faster speeds
- Somerville, AL: less cable coverage, faster speeds