In Preston there is 1 residential DSL provider covering 73.61% of the city. The average home can get speeds up to 12 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 Preston, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Preston, CT please click below.
DSL Internet Service Provider in Preston
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 Preston are not shown.
Preston 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 Preston is DSL internet available?

DSL Internet Availability Key
DSL is available in 73.61% of Preston. 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 Preston above to see who has service at your home.
How fast is DSL internet in Preston?
The map below shows maximum DSL internet speeds by area in Preston.

DSL Internet Speed Key
The average Preston home can get up to 12 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 70 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, 70.51% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Preston.
DSL internet speeds tend to be faster in the central parts of Preston, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Preston?
The fastest internet for you may vary based on where in Preston you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 98.95% of Preston homes.
- Cable is fastest for less than 1% 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 Preston homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Preston, along with details on where in Preston and at what speeds.
Frontier Communications DSL in Preston, CT

Frontier DSL coverage
About 73.61%, or 3,512 people, have Frontier DSL internet available to them in the city. The company covers the entire Preston area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of Preston.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Preston. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 3 different maximum speeds throughout Preston. The fastest plan anyone in Preston can order from Frontier goes up to 70 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Preston customers is up to 12 Mbps.
Show all download speeds
- 0.4% up to 70.0 Mbps
- 3.8% up to 45.0 Mbps
- 95.8% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Preston 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 Preston DSL providers. Frontier offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Preston is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 4.2% up to 3.0 Mbps
- 95.8% up to 1.0 Mbps
Preston DSL by Area
This information is most helpful to those looking for homes or considering moving to Preston or any of the areas nearby.
How does DSL internet in Preston compare to the rest of Connecticut?
DSL internet speeds in Preston are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 12 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Connecticut is 0.00% versus 73.61% in Preston.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Preston 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 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
- Norwich, CT: less DSL coverage, faster speeds
- Taftville, CT: more DSL coverage, faster speeds
- Ledyard, CT: less DSL coverage, faster speeds
- Jewett City, CT: less DSL coverage, faster speeds
- Gales Ferry, CT: less DSL coverage, slower speeds
- Uncasville, CT: more DSL coverage, faster speeds
- Newent, CT: less DSL coverage, slower speeds
- Oxoboxo River, CT: less DSL coverage, faster speeds
- Montville, CT: more DSL coverage, faster speeds
- North Stonington, CT: less DSL coverage, slower speeds
Cities with Similar Populations
- South Shore, KY: more DSL coverage, faster speeds
- Weedsport, NY: less DSL coverage, faster speeds
- New Plymouth, ID: more DSL coverage, faster speeds
- New Holstein, WI: more DSL coverage, faster speeds
- Montello, WI: more DSL coverage, faster speeds
- Mineral Bluff, GA: more DSL coverage, faster speeds
- Mexico, NY: less DSL coverage, faster speeds
- Lakeview, GA: more DSL coverage, faster speeds
- Greenwood Lake, NY: less DSL coverage, faster speeds
- Dexter, NM: more DSL coverage, faster speeds


