In the San Francisco area there are 2 residential Cable providers covering 98.48% of the city. The average home can get speeds up to 1,794 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 San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Francisco, CA please click below.
San Francisco, CA Availability Maps
Cable Internet Service Providers in San Francisco
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 the San Francisco area are not shown.
San Francisco 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 the San Francisco area is cable internet available?
Cable Internet Availability Key
Cable is available in 98.48% of the San Francisco area. 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 the San Francisco area above to see who has service at your home.
How fast is cable internet in the San Francisco area?
The map below shows maximum cable internet speeds by area in the San Francisco area.
Cable Internet Speed Key
The average San Francisco home can get up to 1,794 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 72.55% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in the San Francisco area.
Cable internet speeds tend to be faster in the east parts of the San Francisco area, and slower in the west areas of the city.
Is cable the fastest internet I can get in the San Francisco area?
The fastest internet for you may vary based on where in the San Francisco area you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 57.99% of San Francisco homes.
- Cable is fastest for 40.90% 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 San Francisco homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in the San Francisco area, along with details on where in the San Francisco area and at what speeds.
XFINITY from Comcast Cable in San Francisco, CA
XFINITY cable coverage
About 98.41%, or 4,673,326 people, have XFINITY cable internet available to them in the city. The company covers the entire San Francisco area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of the San Francisco area.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in the San Francisco area. Versus other cable providers in the area, XFINITY cable is the fastest. There are 3 different maximum speeds throughout the San Francisco area. The fastest plan anyone in the San Francisco area can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for San Francisco customers is up to 1,786 Mbps.
Show all download speeds
- 73.7% up to 2,000.0 Mbps
- 25.8% up to 1,200.0 Mbps
- 0.5% up to 300.0 Mbps
XFINITY from Comcast cable upload speeds
In the San Francisco area 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 San Francisco cable providers. XFINITY offers 5 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 the San Francisco area is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, XFINITY customers can get speeds up to 230 Mbps.
Show all upload speeds
- 2.1% up to 2,000.0 Mbps
- 0.0% up to 1,000.0 Mbps
- 71.6% up to 250.0 Mbps
- 25.8% up to 35.0 Mbps
- 0.5% up to 10.0 Mbps
Astound Broadband Cable in San Francisco, CA
Astound Broadband cable coverage
About 16.35%, or 776,236 people, have Astound Broadband cable internet available to them in the city. The company covers the central, east, south, southwest, southeast, northeast, and north San Francisco area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of the San Francisco area.
Astound Broadband cable download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in the San Francisco area. Versus other cable providers in the area, Astound Broadband cable is above average. There are no different maximum speeds throughout the San Francisco area. The fastest plan anyone in the San Francisco area can order from Astound Broadband goes up to 1,500 Mbps, and all San Francisco customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In the San Francisco area 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 below average compared to other San Francisco cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in the San Francisco area is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
San Francisco Cable by Area
This information is most helpful to those looking for homes or considering moving to the San Francisco area or any of the areas nearby.
How does cable internet in the San Francisco area compare to the rest of California?
Cable internet speeds in the San Francisco area are much faster versus the average speeds in California: 0.00 Mbps in California versus 1,794 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in California is 0.00% versus 98.48% in the San Francisco area.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around the San Francisco area 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
- Daly City, CA: more cable coverage, faster speeds
- Brisbane, CA: more cable coverage, faster speeds
- Colma, CA: more cable coverage, faster speeds
- South San Francisco, CA: more cable coverage, faster speeds
- Sausalito, CA: less cable coverage, faster speeds
- Belvedere, CA: more cable coverage, faster speeds
- Tiburon, CA: more cable coverage, faster speeds
- San Bruno, CA: less cable coverage, slower speeds
- Pacifica, CA: more cable coverage, faster speeds
- Alameda, CA: more cable coverage, slower speeds
Cities with Similar Populations
- Washington, DC: less cable coverage, faster speeds
- Atlanta, GA: less cable coverage, slower speeds
- Miami, FL: less cable coverage, faster speeds
- Philadelphia, PA: less cable coverage, slower speeds
- Phoenix, AZ: less cable coverage, faster speeds
- Boston, MA: less cable coverage, faster speeds
- Riverside, CA: less cable coverage, slower speeds
- Houston, TX: less cable coverage, faster speeds
- Detroit, MI: less cable coverage, slower speeds
- Seattle, WA: less cable coverage, faster speeds