In South Los Altos there is 1 residential Cable provider covering 100.00% of the neighborhood. The average home can get speeds up to 1,687 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 South Los Altos, Los Altos, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in South Los Altos, Los Altos, CA please click below.
South Los Altos, Los Altos, CA Availability Maps
Cable Internet Service Provider in South Los Altos
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 South Los Altos are not shown.
South Los Altos 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 South Los Altos is cable internet available?
Cable Internet Availability Key
Cable is available in 100.00% of South Los Altos. 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 South Los Altos above to see who has service at your home.
How fast is cable internet in South Los Altos?
The map below shows maximum cable internet speeds by area in South Los Altos.
Cable Internet Speed Key
The average South Los Altos home can get up to 1,687 Mbps on their cable internet plan. The fastest cable download speed in the neighborhood is 2,000 Mbps, which 60.90% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 39.10% 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 South Los Altos.
Cable internet speeds tend to be faster in the southwest parts of South Los Altos, and slower in the east areas of the neighborhood.
Is cable the fastest internet I can get in South Los Altos?
The fastest internet for you may vary based on where in South Los Altos you live. In general, fiber competes most often with cable in the neighborhood.
- Fiber is the fastest internet type for 65.92% of South Los Altos homes.
- Cable is fastest for 34.08% 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 South Los Altos homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in South Los Altos, along with details on where in South Los Altos and at what speeds.
XFINITY from Comcast Cable in South Los Altos, Los Altos, CA
XFINITY cable coverage
About 100.00%, or 6,312 people, have XFINITY cable internet available to them in the neighborhood. The company covers the entire South Los Altos area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of South Los Altos.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in South Los Altos. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout South Los Altos. The fastest plan anyone in South Los Altos 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 South Los Altos customers is up to 1,687 Mbps.
Show all download speeds
- 60.9% up to 2,000.0 Mbps
- 39.1% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In South Los Altos 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 South Los Altos 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 South Los Altos 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 519 Mbps.
Show all upload speeds
- 20.2% up to 2,000.0 Mbps
- 40.7% up to 250.0 Mbps
- 39.1% up to 35.0 Mbps
South Los Altos Cable by Area
This information is most helpful to those looking for homes or considering moving to South Los Altos or any of the areas nearby.
How does cable internet in South Los Altos compare to the rest of Los Altos?
Cable internet speeds in South Los Altos are much faster versus the average speeds in Los Altos: 0.00 Mbps in Los Altos versus 1,687 Mbps in the neighborhood. The city has similar cable availability compared to the neighborhood. Average cable coverage in Los Altos is 0.00% versus 100.00% in South Los Altos.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around South Los Altos 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
- Sunnyvale West, Sunnyvale, CA: less cable coverage, slower speeds
- Martens-Carmelita, Mountain View, CA: less cable coverage, faster speeds
- Cuesta Park, Mountain View, CA: equal cable coverage, faster speeds
- Heritage District, Sunnyvale, CA: less cable coverage, slower speeds
- Old Mountain View, Mountain View, CA: less cable coverage, slower speeds
- Whisman Station, Mountain View, CA: equal cable coverage, faster speeds
- Birdland Neighbors, Sunnyvale, CA: equal cable coverage, slower speeds
- Ponderosa Park, Sunnyvale, CA: less cable coverage, slower speeds
- Rancho Rinconada, Cupertino, CA: less cable coverage, faster speeds
- Lowlanders, Sunnyvale, CA: less cable coverage, faster speeds
Neighborhoods with Similar Populations
- Arlingwood, Jacksonville, FL: equal cable coverage, faster speeds
- Bouldin, Austin, TX: less cable coverage, slower speeds
- Brookland, Washington, DC: equal cable coverage, faster speeds
- Brookside, Tulsa, OK: less cable coverage, faster speeds
- Cal-Gisler, Oxnard, CA: equal cable coverage, slower speeds
- Coronado, Kansas City, KS: equal cable coverage, slower speeds
- Corbett, Tucson, AZ: less cable coverage, faster speeds
- Salt Springs, Syracuse, NY: less cable coverage, slower speeds
- North Redmond, Redmond, WA: equal cable coverage, faster speeds
- Park Crossing, Charlotte, NC: less cable coverage, slower speeds