In Stamford there is 1 residential Cable provider covering 99.76% of the city. The average home can get speeds up to 943 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 Stamford, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Stamford, CT please click below.
Stamford, CT Availability Maps
Cable Internet Service Provider in Stamford
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 Stamford are not shown.
Stamford 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 Stamford is cable internet available?
Cable Internet Availability Key
Cable is available in 99.76% of Stamford. 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 Stamford above to see who has service at your home.
How fast is cable internet in Stamford?
The map below shows maximum cable internet speeds by area in Stamford.
Cable Internet Speed Key
The average Stamford home can get up to 943 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 98.74% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Stamford.
Cable internet speeds tend to be faster in the central parts of Stamford, and slower in the east areas of the city.
Is cable the fastest internet I can get in Stamford?
The fastest internet for you may vary based on where in Stamford you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 98.03% of Stamford homes.
- Cable is fastest for 1.72% 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 Stamford homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Stamford, along with details on where in Stamford and at what speeds.
Optimum Cable in Stamford, CT
Optimum cable coverage
About 99.76%, or 134,927 people, have Optimum cable internet available to them in the city. The company covers the entire Stamford area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Stamford.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Stamford. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Stamford. The fastest plan anyone in Stamford can order from Optimum goes up to 940 Mbps, and all Stamford customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Stamford 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 one of the slowest compared to other Stamford cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Stamford is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Stamford Cable by Area
This information is most helpful to those looking for homes or considering moving to Stamford or any of the areas nearby.
How does cable internet in Stamford compare to the rest of Connecticut?
Cable internet speeds in Stamford are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 943 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Connecticut is 0.00% versus 99.76% in Stamford.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Stamford 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
- Darien, CT: more cable coverage, slower speeds
- Old Greenwich, CT: more cable coverage, slower speeds
- Riverside, CT: more cable coverage, faster speeds
- Cos Cob, CT: less cable coverage, slower speeds
- Greenwich, CT: less cable coverage, slower speeds
- New Canaan, CT: less cable coverage, slower speeds
- Norwalk, CT: less cable coverage, faster speeds
- Port Chester, NY: less cable coverage, slower speeds
- Rye Brook, NY: more cable coverage, slower speeds
- Scotts Corners, NY: less cable coverage, slower speeds
Cities with Similar Populations
- Iowa City, IA: less cable coverage, faster speeds
- Johns Creek, GA: more cable coverage, faster speeds
- Inglewood, CA: less cable coverage, faster speeds
- Irving, TX: less cable coverage, faster speeds
- Harrisburg, PA: less cable coverage, faster speeds
- Huntington Park, CA: less cable coverage, faster speeds
- Huntington Beach, CA: less cable coverage, faster speeds
- Huntington, WV: less cable coverage, faster speeds
- Hesperia, CA: less cable coverage, faster speeds
- Hemet, CA: less cable coverage, faster speeds