In Foster City there is 1 residential Cable provider covering 98.69% of the city. The average home can get speeds up to 1,964 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 Foster City, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Foster City, CA please click below.
Foster City, CA Availability Maps
Cable Internet Service Provider in Foster City
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 Foster City are not shown.
Foster City 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 Foster City is cable internet available?
Cable Internet Availability Key
Cable is available in 98.69% of Foster City. 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 Foster City above to see who has service at your home.
How fast is cable internet in Foster City?
The map below shows maximum cable internet speeds by area in Foster City.
Cable Internet Speed Key
The average Foster City home can get up to 1,964 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 94.24% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.45% 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 Foster City.
Cable internet speeds tend to be faster in the east parts of Foster City, and slower in the south areas of the city.
Is cable the fastest internet I can get in Foster City?
The fastest internet for you may vary based on where in Foster City you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 50.53% of Foster City homes.
- Cable is fastest for 49.31% 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 Foster City homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Foster City, along with details on where in Foster City and at what speeds.
XFINITY from Comcast Cable in Foster City, CA
XFINITY cable coverage
About 98.69%, or 33,615 people, have XFINITY cable internet available to them in the city. The company covers the entire Foster City area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Foster City.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Foster City. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Foster City. The fastest plan anyone in Foster City 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 Foster City customers is up to 1,964 Mbps.
Show all download speeds
- 95.5% up to 2,000.0 Mbps
- 4.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Foster City 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 Foster City 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 Foster City 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 240 Mbps.
Show all upload speeds
- 95.5% up to 250.0 Mbps
- 4.5% up to 35.0 Mbps
Foster City Cable by Area
This information is most helpful to those looking for homes or considering moving to Foster City or any of the areas nearby.
How does cable internet in Foster City compare to the rest of California?
Cable internet speeds in Foster City are much faster versus the average speeds in California: 0.00 Mbps in California versus 1,964 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in California is 0.00% versus 98.69% in Foster City.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Foster City 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
- San Mateo, CA: more cable coverage, faster speeds
- Belmont, CA: more cable coverage, faster speeds
- San Carlos, CA: more cable coverage, faster speeds
- Highlands-Baywood Park, CA: more cable coverage, faster speeds
- Hillsborough, CA: more cable coverage, slower speeds
- Redwood City, CA: more cable coverage, slower speeds
- Burlingame, CA: more cable coverage, slower speeds
- North Fair Oaks, CA: more cable coverage, faster speeds
- Atherton, CA: less cable coverage, slower speeds
- Menlo Park, CA: more cable coverage, slower speeds
Cities with Similar Populations
- Ambler, PA: more cable coverage, slower speeds
- American Fork, UT: more cable coverage, slower speeds
- Williston, ND: less cable coverage, faster speeds
- Bell, CA: more cable coverage, slower speeds
- Bethel Park, PA: more cable coverage, slower speeds
- North Olmsted, OH: more cable coverage, slower speeds
- Boardman, OH: less cable coverage, slower speeds
- Boone, NC: less cable coverage, slower speeds
- Bowling Green, OH: less cable coverage, slower speeds
- Burlington, NJ: more cable coverage, faster speeds