In Waltham there are 2 residential Cable providers covering 92.18% of the city. The average home can get speeds up to 1,696 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 Waltham, MA.
To see availability maps for all providers including fiber, cable, DSL, and more in Waltham, MA please click below.
Cable Internet Service Providers in Waltham
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 Waltham are not shown.
Waltham 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 Waltham is cable internet available?
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Cable is available in 92.18% of Waltham. 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 Waltham above to see who has service at your home.
How fast is cable internet in Waltham?
The map below shows maximum cable internet speeds by area in Waltham.
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The average Waltham home can get up to 1,696 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 37.03% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.47% 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 Waltham.
Cable internet speeds tend to be faster in the northwest parts of Waltham, and slower in the southwest areas of the city.
Is cable the fastest internet I can get in Waltham?
The fastest internet for you may vary based on where in Waltham you live. In general, satellite competes most often with cable in the city.
- Fiber is the fastest internet type for less than 1% of Waltham homes.
- Cable is fastest for 91.88% 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 7.82% of Waltham homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Waltham, along with details on where in Waltham and at what speeds.
XFINITY from Comcast Cable in Waltham, MA
XFINITY cable coverage
About 92.18%, or 60,117 people, have XFINITY cable internet available to them in the city. The company covers the entire Waltham area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Waltham.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Waltham. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Waltham. The fastest plan anyone in Waltham can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Waltham customers is up to 1,521 Mbps.
Show all download speeds
- 40.2% up to 2,000.0 Mbps
- 59.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Waltham download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the fastest compared to other Waltham cable providers. XFINITY offers 3 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 Waltham 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 483 Mbps.
Show all upload speeds
- 20.7% up to 2,000.0 Mbps
- 19.5% up to 250.0 Mbps
- 59.8% up to 35.0 Mbps
Astound Broadband Cable in Waltham, MA
Astound Broadband cable coverage
About 89.43%, or 58,324 people, have Astound Broadband cable internet available to them in the city. The company covers the entire Waltham area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in most of Waltham.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Waltham. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Waltham. The fastest plan anyone in Waltham can order from Astound Broadband goes up to 1,500 Mbps, and all Waltham customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Waltham 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 Waltham cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Waltham is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Waltham Cable by Area
This information is most helpful to those looking for homes or considering moving to Waltham or any of the areas nearby.
How does cable internet in Waltham compare to the rest of Massachusetts?
Cable internet speeds in Waltham are much faster versus the average speeds in Massachusetts: 0.00 Mbps in Massachusetts versus 1,696 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Massachusetts is 0.00% versus 92.18% in Waltham.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Waltham 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
- Newtonville, MA: more cable coverage, faster speeds
- Newton, MA: more cable coverage, faster speeds
- Auburndale, MA: less cable coverage, faster speeds
- Watertown Town, MA: more cable coverage, faster speeds
- Belmont, MA: more cable coverage, faster speeds
- Weston, MA: more cable coverage, faster speeds
- Newton Lower Falls, MA: more cable coverage, faster speeds
- Waban, MA: more cable coverage, faster speeds
- Watertown, MA: more cable coverage, faster speeds
- Lexington, MA: more cable coverage, faster speeds
Cities with Similar Populations
- Brentwood, CA: more cable coverage, slower speeds
- Clermont, FL: more cable coverage, slower speeds
- Gilroy, CA: less cable coverage, slower speeds
- San Luis Obispo, CA: less cable coverage, slower speeds
- Mayaguez, PR: more cable coverage, slower speeds
- North Little Rock, AR: more cable coverage, faster speeds
- North Miami, FL: more cable coverage, faster speeds
- North Richland Hills, TX: more cable coverage, slower speeds
- Northglenn, CO: more cable coverage, faster speeds
- Port Orchard, WA: more cable coverage, slower speeds