In Atherton there are 2 residential Cable providers covering 93.45% of the city. The average home can get speeds up to 1,810 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 Atherton, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Atherton, CA please click below.
Atherton, CA Availability Maps
Cable Internet Service Providers in Atherton
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 Atherton are not shown.
Atherton 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 Atherton is cable internet available?
Cable Internet Availability Key
Cable is available in 93.45% of Atherton. 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 Atherton above to see who has service at your home.
How fast is cable internet in Atherton?
The map below shows maximum cable internet speeds by area in Atherton.
Cable Internet Speed Key
The average Atherton home can get up to 1,810 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 71.24% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 22.21% 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 Atherton.
Cable internet speeds tend to be faster in the southwest parts of Atherton, and slower in the east areas of the city.
Is cable the fastest internet I can get in Atherton?
The fastest internet for you may vary based on where in Atherton you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 92.16% of Atherton homes.
- Cable is fastest for 7.84% 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 Atherton homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Atherton, along with details on where in Atherton and at what speeds.
XFINITY from Comcast Cable in Atherton, CA
XFINITY cable coverage
About 93.45%, or 8,303 people, have XFINITY cable internet available to them in the city. The company covers the entire Atherton area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Atherton.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Atherton. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Atherton. The fastest plan anyone in Atherton 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 Atherton customers is up to 1,810 Mbps.
Show all download speeds
- 76.2% up to 2,000.0 Mbps
- 23.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Atherton 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 fastest compared to other Atherton cable providers. XFINITY 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 Atherton is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 199 Mbps.
Show all upload speeds
- 76.2% up to 250.0 Mbps
- 23.8% up to 35.0 Mbps
Astound Broadband Cable in Atherton, CA
Astound Broadband cable coverage
About 2.31%, or 205 people, have Astound Broadband cable internet available to them in the city. The company covers the west and northwest Atherton area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Atherton.
Astound Broadband cable download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in Atherton. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Atherton. The fastest plan anyone in Atherton can order from Astound Broadband goes up to 1,500 Mbps, and all Atherton customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Atherton 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 Atherton cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Atherton is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Atherton Cable by Area
This information is most helpful to those looking for homes or considering moving to Atherton or any of the areas nearby.
How does cable internet in Atherton compare to the rest of California?
Cable internet speeds in Atherton are much faster versus the average speeds in California: 0.00 Mbps in California versus 1,810 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in California is 0.00% versus 93.45% in Atherton.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Atherton 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
- Menlo Park, CA: more cable coverage, slower speeds
- North Fair Oaks, CA: more cable coverage, faster speeds
- Redwood City, CA: more cable coverage, faster speeds
- Stanford, CA: less cable coverage, faster speeds
- Woodside, CA: more cable coverage, faster speeds
- East Palo Alto, CA: more cable coverage, slower speeds
- Palo Alto, CA: more cable coverage, faster speeds
- San Carlos, CA: more cable coverage, faster speeds
- Portola Valley, CA: more cable coverage, slower speeds
- Belmont, CA: more cable coverage, faster speeds
Cities with Similar Populations
- Harold, FL: more cable coverage, slower speeds
- Inwood, NY: more cable coverage, slower speeds
- Ingleside, TX: more cable coverage, slower speeds
- Indian Harbour Beach, FL: more cable coverage, slower speeds
- Imlay City, MI: less cable coverage, slower speeds
- Toano, VA: more cable coverage, faster speeds
- Tomahawk, WI: less cable coverage, slower speeds
- Highland Park, TX: more cable coverage, slower speeds
- Trafford, PA: more cable coverage, faster speeds
- Travilah, MD: more cable coverage, slower speeds