In Fairfield County there are 3 residential Cable providers covering 99.10% of the county. The average home can get speeds up to 1,141 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 Fairfield County, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Fairfield County, CT please click below.
Fairfield County, CT Availability Maps
Cable Internet Service Providers in Fairfield County
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 Fairfield County are not shown.
Fairfield County 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 Fairfield County is cable internet available?
Cable Internet Availability Key
Cable is available in 99.10% of Fairfield County. 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 Fairfield County above to see who has service at your home.
How fast is cable internet in Fairfield County?
The map below shows maximum cable internet speeds by area in Fairfield County.
Cable Internet Speed Key
The average Fairfield County home can get up to 1,141 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 16.99% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 65.23% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Fairfield County.
Cable internet speeds tend to be faster in the northwest parts of Fairfield County, and slower in the southeast areas of the county.
Is cable the fastest internet I can get in Fairfield County?
The fastest internet for you may vary based on where in Fairfield County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 97.11% of Fairfield County homes.
- Cable is fastest for 2.03% of the county.
- 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 Fairfield County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Fairfield County, along with details on where in Fairfield County and at what speeds.
Optimum Cable in Fairfield County, CT
Optimum cable coverage
About 69.84%, or 668,701 people, have Optimum cable internet available to them in the county. The company covers the entire Fairfield County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Fairfield County.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Fairfield County. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from Optimum goes up to 940 Mbps, and all Fairfield County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Fairfield County 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 Fairfield County cable providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Fairfield County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
XFINITY from Comcast Cable in Fairfield County, CT
XFINITY cable coverage
About 21.78%, or 208,488 people, have XFINITY cable internet available to them in the county. The company covers the northwest, north, northeast, south, east, central, southwest, and west Fairfield County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Fairfield County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Fairfield County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 3 different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Fairfield County customers is up to 1,822 Mbps.
Show all download speeds
- 78.0% up to 2,000.0 Mbps
- 20.9% up to 1,200.0 Mbps
- 1.1% up to 1,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Fairfield County download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Fairfield County cable providers. XFINITY offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Fairfield County is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 203 Mbps.
Show all upload speeds
- 78.0% up to 250.0 Mbps
- 22.0% up to 35.0 Mbps
Spectrum Cable in Fairfield County, CT
Spectrum cable coverage
About 13.88%, or 132,891 people, have Spectrum cable internet available to them in the county. The company covers the north, northeast, northwest, east, central, and southwest Fairfield County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Fairfield County.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Fairfield County. Versus other cable providers in the area, Spectrum cable is below average. There are no different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from Spectrum goes up to 1,000 Mbps, and all Fairfield County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Fairfield County 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 one of the slowest compared to other Fairfield County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Fairfield County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Fairfield County Cable by Area
This information is most helpful to those looking for homes or considering moving to Fairfield County or any of the areas nearby.
How does cable internet in Fairfield County compare to the rest of Connecticut?
Cable internet speeds in Fairfield County are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 1,141 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Connecticut is 0.00% versus 99.10% in Fairfield County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Fairfield County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- New Haven County, CT: less cable coverage, faster speeds
- Rockland County, NY: less cable coverage, slower speeds
- Pike County, PA: less cable coverage, faster speeds
- Luzerne County, PA: less cable coverage, faster speeds
- Nantucket County, MA: more cable coverage, faster speeds
- Lycoming County, PA: less cable coverage, faster speeds
- Clinton County, PA: less cable coverage, faster speeds
- Clarion County, PA: less cable coverage, slower speeds
- Mercer County, PA: less cable coverage, slower speeds
- Trumbull County, OH: less cable coverage, slower speeds
Counties with Similar Populations
- Palm Beach County, FL: less cable coverage, faster speeds
- Wake County, NC: less cable coverage, slower speeds
- Nassau County, NY: more cable coverage, slower speeds
- Santa Clara County, CA: less cable coverage, faster speeds
- Sacramento County, CA: less cable coverage, faster speeds
- Suffolk County, NY: less cable coverage, slower speeds
- Orange County, FL: less cable coverage, slower speeds
- Cuyahoga County, OH: more cable coverage, faster speeds
- Hillsborough County, FL: less cable coverage, slower speeds
- Duval County, FL: less cable coverage, faster speeds