In Stonington there are 2 residential Cable providers covering 99.32% of the city. The average home can get speeds up to 1,200 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 Stonington, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Stonington, CT please click below.
Stonington, CT Availability Maps
Cable Internet Service Providers in Stonington
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 Stonington are not shown.
Stonington 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 Stonington is cable internet available?

Cable Internet Availability Key
Cable is available in 99.32% of Stonington. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Stonington above to see who has service at your home.
How fast is cable internet in Stonington?
The map below shows maximum cable internet speeds by area in Stonington.

Cable Internet Speed Key
The average Stonington home can get up to 1,200 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,200 Mbps, which 99.32% of residents can get.
Is cable the fastest internet I can get in Stonington?
The fastest internet for you may vary based on where in Stonington you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 95.70% of Stonington homes.
- Cable is fastest for 3.92% 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 Stonington homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Stonington, along with details on where in Stonington and at what speeds.
XFINITY from Comcast Cable in Stonington, CT

XFINITY cable coverage
About 99.32%, or 4,686 people, have XFINITY cable internet available to them in the city. The company covers the entire Stonington area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Stonington.
XFINITY from Comcast cable download speeds
XFINITY is average when comparing download speeds to all other internet providers in Stonington. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Stonington. The fastest plan anyone in Stonington can order from XFINITY goes up to 1,200 Mbps, and all Stonington customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Stonington 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 slowest compared to other Stonington cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Stonington is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Atlantic Broadband Cable in Stonington, CT

Atlantic Broadband cable coverage
About 81.96%, or 3,867 people, have Atlantic Broadband cable internet available to them in the city. The company covers the entire Stonington area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in much of Stonington.
Atlantic Broadband cable download speeds
Atlantic Broadband is below average when comparing download speeds to all other internet providers in Stonington. Versus other cable providers in the area, Atlantic Broadband cable is the slowest. There are no different maximum speeds throughout Stonington. The fastest plan anyone in Stonington can order from Atlantic Broadband goes up to 1,000 Mbps, and all Stonington customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband cable upload speeds
In Stonington download speeds tend to be faster than than upload speeds for Atlantic Broadband cable. Compared to other ISPs, Atlantic Broadband is below average where upload speeds are concerned, and the fastest compared to other Stonington cable providers. Atlantic Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Stonington is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Stonington Cable by Area
This information is most helpful to those looking for homes or considering moving to Stonington or any of the areas nearby.
How does cable internet in Stonington compare to the rest of Connecticut?
Cable internet speeds in Stonington are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 1,200 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Connecticut is 0.00% versus 99.32% in Stonington.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Stonington 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 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
- Wequetequock, CT: more cable coverage, similar speeds
- Old Mystic, CT: more cable coverage, faster speeds
- Mystic, CT: more cable coverage, faster speeds
- Pawcatuck, CT: more cable coverage, similar speeds
- Noank, CT: less cable coverage, similar speeds
- Westerly, RI: more cable coverage, faster speeds
- Groton Long Point, CT: more cable coverage, faster speeds
- Ledyard, CT: less cable coverage, faster speeds
- North Stonington, CT: more cable coverage, faster speeds
- Groton, CT: more cable coverage, faster speeds
Cities with Similar Populations
- Bonners Ferry, ID: less cable coverage, slower speeds
- Scranton, SC: less cable coverage, slower speeds
- Bradford, OH: less cable coverage, slower speeds
- Owingsville, KY: less cable coverage, slower speeds
- Boyce, LA: less cable coverage, slower speeds
- Chouteau, OK: less cable coverage, slower speeds
- Bowling Green, FL: less cable coverage, slower speeds
- Bourbon, MO: less cable coverage, slower speeds
- Boonville, NY: less cable coverage, slower speeds
- Brandon, VT: less cable coverage, similar speeds


