In Fairfield County there are 6 residential Fiber providers covering 97.16% of the county. The average home can get speeds up to 7,623 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 Fiber 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
Fiber 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 97.16% of Fairfield County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Fairfield County above to see who has service at your home.
How fast is fiber internet in Fairfield County?
The map below shows maximum fiber internet speeds by area in Fairfield County.
Fiber Internet Speed Key
The average Fairfield County home can get up to 7,623 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 68.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% 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.
Fiber internet speeds tend to be faster in the southeast parts of Fairfield County, and slower in the northwest areas of the county.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
Frontier Communications Fiber in Fairfield County, CT
Frontier fiber coverage
About 89.06%, or 852,687 people, have Frontier fiber internet available to them in the county. The company covers the entire Fairfield County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Fairfield County.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Fairfield County. Versus other fiber providers in the area, Frontier fiber is above average. There are 4 different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from Frontier goes up to 7,000 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 6,935 Mbps.
Show all download speeds
- 97.0% up to 7,000.0 Mbps
- 2.8% up to 5,000.0 Mbps
- 0.0% up to 2,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
Frontier Communications fiber upload speeds
In Fairfield County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Fairfield County fiber providers. Frontier offers 4 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 7,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Frontier customers can get speeds up to 6,935 Mbps.
Show all upload speeds
- 97.0% up to 7,000.0 Mbps
- 2.8% up to 5,000.0 Mbps
- 0.0% up to 2,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
Optimum Fiber in Fairfield County, CT
Optimum fiber coverage
About 68.11%, or 652,091 people, have Optimum fiber 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 fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Fairfield County. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from Optimum goes up to 8,000 Mbps, and all Fairfield County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Fairfield County download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Fairfield County fiber 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 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
XFINITY from Comcast Fiber in Fairfield County, CT
XFINITY fiber coverage
About 28.21%, or 270,092 people, have XFINITY fiber internet available to them in the county. The company covers the entire 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 fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Fairfield County. Versus other fiber providers in the area, XFINITY fiber is below average. 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 1,112 Mbps.
Show all download speeds
- 0.2% up to 2,000.0 Mbps
- 55.4% up to 1,200.0 Mbps
- 44.5% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Fairfield County download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and below average compared to other Fairfield County fiber 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 556 Mbps.
Show all upload speeds
- 54.0% up to 1,000.0 Mbps
- 46.0% up to 35.0 Mbps
GoNetSpeed Fiber in Fairfield County, CT
GoNetSpeed fiber coverage
About 21.07%, or 201,717 people, have GoNetSpeed fiber internet available to them in the county. The company covers the east, northwest, north, central, south, northeast, and southeast Fairfield County area. GoNetSpeed is a large internet service provider internet service providers in the US, with internet service available in a small portion of Fairfield County.
GoNetSpeed fiber download speeds
GoNetSpeed is below average when comparing download speeds to all other internet providers in Fairfield County. Versus other fiber providers in the area, GoNetSpeed fiber is below average. There are no different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from GoNetSpeed 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
GoNetSpeed fiber upload speeds
In Fairfield County download speeds tend to be equal to than upload speeds for GoNetSpeed fiber. Compared to other ISPs, GoNetSpeed is below average where upload speeds are concerned, and below average compared to other Fairfield County fiber providers. GoNetSpeed offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Fairfield County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
EarthLink Fiber in Fairfield County, CT
EarthLink fiber coverage
About 4.81%, or 46,090 people, have EarthLink fiber internet available to them in the county. The company covers the southwest and northwest Fairfield County area. EarthLink 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.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Fairfield County. Versus other fiber providers in the area, EarthLink fiber is below average. There are 2 different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Fairfield County customers is up to 1,297 Mbps.
Show all download speeds
- 32.2% up to 2,048.0 Mbps
- 67.8% up to 940.0 Mbps
EarthLink fiber upload speeds
In Fairfield County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Fairfield County fiber providers. EarthLink 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 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,256 Mbps.
Show all upload speeds
- 32.2% up to 2,048.0 Mbps
- 67.8% up to 880.0 Mbps
Verizon Fiber in Fairfield County, CT
Verizon fiber coverage
About 4.81%, or 46,090 people, have Verizon fiber internet available to them in the county. The company covers the southwest and northwest Fairfield County area. Verizon 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.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Fairfield County. Versus other fiber providers in the area, Verizon fiber is below average. There are 2 different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Fairfield County customers is up to 1,297 Mbps.
Show all download speeds
- 32.2% up to 2,048.0 Mbps
- 67.8% up to 940.0 Mbps
Verizon fiber upload speeds
In Fairfield County download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Fairfield County fiber providers. Verizon 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 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,256 Mbps.
Show all upload speeds
- 32.2% up to 2,048.0 Mbps
- 67.8% up to 880.0 Mbps
Fairfield County Fiber 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 fiber internet in Fairfield County compare to the rest of Connecticut?
Fiber internet speeds in Fairfield County are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 7,623 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Connecticut is 0.00% versus 97.16% in Fairfield County.
What zip codes have fiber internet?
Fiber 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 fiber 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 fiber coverage, slower speeds
- Rockland County, NY: more fiber coverage, slower speeds
- Pike County, PA: less fiber coverage, slower speeds
- Luzerne County, PA: less fiber coverage, slower speeds
- Lycoming County, PA: less fiber coverage, slower speeds
- Clinton County, PA: less fiber coverage, slower speeds
- Clarion County, PA: less fiber coverage, slower speeds
- Mercer County, PA: less fiber coverage, slower speeds
- Trumbull County, OH: less fiber coverage, slower speeds
- Portage County, OH: less fiber coverage, slower speeds
Counties with Similar Populations
- Palm Beach County, FL: less fiber coverage, slower speeds
- Wake County, NC: less fiber coverage, slower speeds
- Nassau County, NY: more fiber coverage, faster speeds
- Santa Clara County, CA: less fiber coverage, slower speeds
- Sacramento County, CA: less fiber coverage, slower speeds
- Suffolk County, NY: less fiber coverage, faster speeds
- Orange County, FL: less fiber coverage, slower speeds
- Cuyahoga County, OH: less fiber coverage, slower speeds
- Hillsborough County, FL: less fiber coverage, slower speeds
- Duval County, FL: less fiber coverage, slower speeds