In Fairfield County there is 1 residential DSL provider covering 62.96% of the county. The average home can get speeds up to 31 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 DSL 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
DSL Internet Service Provider 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 DSL internet available?
DSL Internet Availability Key
DSL is available in 62.96% of Fairfield County. Areas in green have DSL 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 DSL internet in Fairfield County?
The map below shows maximum DSL internet speeds by area in Fairfield County.
DSL Internet Speed Key
The average Fairfield County home can get up to 31 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 200 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, 44.18% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Fairfield County.
DSL internet speeds tend to be faster in the east parts of Fairfield County, and slower in the southeast areas of the county.
Is DSL 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 DSL 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.
DSL 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 DSL in Fairfield County, CT
Frontier DSL coverage
About 62.96%, or 602,819 people, have Frontier DSL 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 a majority of Fairfield County.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Fairfield County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 6 different maximum speeds throughout Fairfield County. The fastest plan anyone in Fairfield County can order from Frontier goes up to 200 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Fairfield County customers is up to 31 Mbps.
Show all download speeds
- 0.2% up to 200.0 Mbps
- 5.8% up to 115.0 Mbps
- 9.8% up to 90.0 Mbps
- 6.1% up to 70.0 Mbps
- 8.0% up to 45.0 Mbps
- 70.2% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Fairfield County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other Fairfield County DSL providers. Frontier offers 8 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 200 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.4 Mbps.
Show all upload speeds
- 0.2% up to 200.0 Mbps
- 0.1% up to 12.0 Mbps
- 0.1% up to 8.0 Mbps
- 5.7% up to 7.0 Mbps
- 3.0% up to 6.0 Mbps
- 9.2% up to 5.0 Mbps
- 11.6% up to 3.0 Mbps
- 70.2% up to 1.0 Mbps
Fairfield County DSL 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 DSL internet in Fairfield County compare to the rest of Connecticut?
DSL internet speeds in Fairfield County are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 31 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Connecticut is 0.00% versus 62.96% in Fairfield County.
What zip codes have DSL internet?
DSL 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 DSL 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: more DSL coverage, faster speeds
- Pike County, PA: less DSL coverage, slower speeds
- Luzerne County, PA: more DSL coverage, slower speeds
- Lycoming County, PA: less DSL coverage, faster speeds
- Clinton County, PA: less DSL coverage, faster speeds
- Clarion County, PA: more DSL coverage, faster speeds
- Mercer County, PA: less DSL coverage, faster speeds
- Trumbull County, OH: more DSL coverage, slower speeds
- Portage County, OH: more DSL coverage, faster speeds
- Summit County, OH: more DSL coverage, faster speeds
Counties with Similar Populations
- Palm Beach County, FL: more DSL coverage, faster speeds
- Wake County, NC: more DSL coverage, faster speeds
- Nassau County, NY: less DSL coverage, faster speeds
- Santa Clara County, CA: more DSL coverage, faster speeds
- Sacramento County, CA: more DSL coverage, faster speeds
- Suffolk County, NY: less DSL coverage, slower speeds
- Orange County, FL: more DSL coverage, faster speeds
- Cuyahoga County, OH: more DSL coverage, faster speeds
- Hillsborough County, FL: less DSL coverage, slower speeds
- Duval County, FL: more DSL coverage, faster speeds