In New Haven County there is 1 residential DSL provider covering 69.72% of the county. The average home can get speeds up to 32 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 New Haven County, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in New Haven County, CT please click below.
New Haven County, CT Availability Maps
DSL Internet Service Provider in New Haven 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 New Haven County are not shown.
New Haven 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 New Haven County is DSL internet available?
DSL Internet Availability Key
DSL is available in 69.72% of New Haven 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 New Haven County above to see who has service at your home.
How fast is DSL internet in New Haven County?
The map below shows maximum DSL internet speeds by area in New Haven County.
DSL Internet Speed Key
The average New Haven County home can get up to 32 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, 47.57% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in New Haven County.
DSL internet speeds tend to be faster in the southeast parts of New Haven County, and slower in the southwest areas of the county.
Is DSL the fastest internet I can get in New Haven County?
The fastest internet for you may vary based on where in New Haven County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 86.04% of New Haven County homes.
- Cable is fastest for 12.36% 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 1.52% of New Haven County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in New Haven County, along with details on where in New Haven County and at what speeds.
Frontier Communications DSL in New Haven County, CT
Frontier DSL coverage
About 69.72%, or 602,933 people, have Frontier DSL internet available to them in the county. The company covers the entire New Haven County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of New Haven County.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in New Haven County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 6 different maximum speeds throughout New Haven County. The fastest plan anyone in New Haven 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 New Haven County customers is up to 32 Mbps.
Show all download speeds
- 0.1% up to 200.0 Mbps
- 6.4% up to 115.0 Mbps
- 9.7% up to 90.0 Mbps
- 6.5% up to 70.0 Mbps
- 9.0% up to 45.0 Mbps
- 68.2% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In New Haven 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 New Haven County DSL providers. Frontier offers 7 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 New Haven 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
- 0.1% up to 200.0 Mbps
- 0.1% up to 8.0 Mbps
- 6.4% up to 7.0 Mbps
- 3.0% up to 6.0 Mbps
- 8.8% up to 5.0 Mbps
- 13.3% up to 3.0 Mbps
- 68.2% up to 1.0 Mbps
New Haven County DSL by Area
This information is most helpful to those looking for homes or considering moving to New Haven County or any of the areas nearby.
How does DSL internet in New Haven County compare to the rest of Connecticut?
DSL internet speeds in New Haven County are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 32 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Connecticut is 0.00% versus 69.72% in New Haven County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around New Haven 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
- Middlesex County, CT: less DSL coverage, slower speeds
- Fairfield County, CT: less DSL coverage, slower speeds
- Putnam County, NY: less DSL coverage, slower speeds
- New London County, CT: less DSL coverage, slower speeds
- Orange County, NY: less DSL coverage, faster speeds
- Pike County, PA: less DSL coverage, slower speeds
- Lackawanna County, PA: less DSL coverage, slower speeds
- Sullivan County, PA: more DSL coverage, faster speeds
- Lycoming County, PA: less DSL coverage, faster speeds
- Elk County, PA: more DSL coverage, faster speeds
Counties with Similar Populations
- DuPage County, IL: more DSL coverage, faster speeds
- Fairfield County, CT: less DSL coverage, slower speeds
- Gwinnett County, GA: more DSL coverage, faster speeds
- Bergen County, NJ: less DSL coverage, faster speeds
- Ventura County, CA: less DSL coverage, faster speeds
- Snohomish County, WA: less DSL coverage, faster speeds
- Shelby County, TN: more DSL coverage, faster speeds
- San Joaquin County, CA: more DSL coverage, faster speeds
- San Francisco County, CA: more DSL coverage, faster speeds
- Pinellas County, FL: less DSL coverage, slower speeds