In Dorchester Heights there are 2 residential Cable providers covering 99.46% of the neighborhood. The average home can get speeds up to 1,870 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 Dorchester Heights, Boston, MA.
To see availability maps for all providers including fiber, cable, DSL, and more in Dorchester Heights, Boston, MA please click below.
Dorchester Heights, Boston, MA Availability Maps
Cable Internet Service Providers in Dorchester Heights
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 Dorchester Heights are not shown.
Dorchester Heights 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 Dorchester Heights is cable internet available?
Cable Internet Availability Key
Cable is available in 99.46% of Dorchester Heights. 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 Dorchester Heights above to see who has service at your home.
How fast is cable internet in Dorchester Heights?
The map below shows maximum cable internet speeds by area in Dorchester Heights.
Cable Internet Speed Key
The average Dorchester Heights home can get up to 1,870 Mbps on their cable internet plan. The fastest cable download speed in the neighborhood is 2,000 Mbps, which 81.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 12.80% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Dorchester Heights.
Cable internet speeds tend to be faster in the northwest parts of Dorchester Heights, and slower in the southeast areas of the neighborhood.
Is cable the fastest internet I can get in Dorchester Heights?
The fastest internet for you may vary based on where in Dorchester Heights you live. In general, fiber competes most often with cable in the neighborhood.
- Fiber is the fastest internet type for 1.14% of Dorchester Heights homes.
- Cable is fastest for 98.32% of the neighborhood.
- 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 Dorchester Heights homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Dorchester Heights, along with details on where in Dorchester Heights and at what speeds.
XFINITY from Comcast Cable in Dorchester Heights, Boston, MA
XFINITY cable coverage
About 99.46%, or 23,273 people, have XFINITY cable internet available to them in the neighborhood. The company covers the entire Dorchester Heights area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Dorchester Heights.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Dorchester Heights. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Dorchester Heights. The fastest plan anyone in Dorchester Heights can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the neighborhood-wide average maximum speed for Dorchester Heights customers is up to 1,854 Mbps.
Show all download speeds
- 81.7% up to 2,000.0 Mbps
- 18.3% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Dorchester Heights download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is average where upload speeds are concerned, and the fastest compared to other Dorchester Heights cable providers. XFINITY offers 3 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Dorchester Heights is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 391 Mbps.
Show all upload speeds
- 10.3% up to 2,000.0 Mbps
- 71.4% up to 250.0 Mbps
- 18.3% up to 35.0 Mbps
Astound Broadband Cable in Dorchester Heights, Boston, MA
Astound Broadband cable coverage
About 46.74%, or 10,938 people, have Astound Broadband cable internet available to them in the neighborhood. The company covers the northwest, west, central, north, south, and southwest Dorchester Heights area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in some of Dorchester Heights.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Dorchester Heights. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Dorchester Heights. The fastest plan anyone in Dorchester Heights can order from Astound Broadband goes up to 1,500 Mbps, and all Dorchester Heights customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Dorchester Heights download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Dorchester Heights cable providers. Astound Broadband offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Dorchester Heights is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Dorchester Heights Cable by Area
This information is most helpful to those looking for homes or considering moving to Dorchester Heights or any of the areas nearby.
How does cable internet in Dorchester Heights compare to the rest of Boston?
Cable internet speeds in Dorchester Heights are much faster versus the average speeds in Boston: 0.00 Mbps in Boston versus 1,870 Mbps in the neighborhood. The city has similar cable availability compared to the neighborhood. Average cable coverage in Boston is 0.00% versus 99.46% in Dorchester Heights.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Dorchester Heights 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- South Boston, Boston, MA: less cable coverage, slower speeds
- North Dorchester, Boston, MA: more cable coverage, slower speeds
- South End, Boston, MA: more cable coverage, slower speeds
- Central, Boston, MA: less cable coverage, slower speeds
- Downtown Crossing, Boston, MA: less cable coverage, faster speeds
- Nubian Square, Boston, MA: less cable coverage, slower speeds
- Back Bay, Boston, MA: more cable coverage, faster speeds
- Dock Square, Boston, MA: less cable coverage, slower speeds
- Gove Street, Boston, MA: more cable coverage, faster speeds
- Roxbury, Boston, MA: less cable coverage, slower speeds
Neighborhoods with Similar Populations
- Western Branch North, Chesapeake, VA: less cable coverage, faster speeds
- Lake Murray, San Diego, CA: more cable coverage, faster speeds
- Olympia Heights, Miami, FL: more cable coverage, faster speeds
- Hermosa, Chicago, IL: more cable coverage, slower speeds
- Northwest Omaha, Omaha, NE: less cable coverage, faster speeds
- Theater District, Manhattan, NY: more cable coverage, slower speeds
- Sand Lake, Anchorage, AK: more cable coverage, faster speeds
- Sixteen Acres, Springfield, MA: less cable coverage, faster speeds
- South Baton Rouge, Baton Rouge, LA: less cable coverage, faster speeds
- Fort Bend Houston, Missouri City, TX: more cable coverage, faster speeds