In the San Francisco area there are 5 residential Fiber providers covering 67.80% of the city. The average home can get speeds up to 5,882 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 Fiber 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
Fiber 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 67.80% of the San Francisco area. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in the San Francisco area above to see who has service at your home.
How fast is fiber internet in the San Francisco area?
The map below shows maximum fiber internet speeds by area in the San Francisco area.
Fiber Internet Speed Key
The average San Francisco home can get up to 5,882 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 25,000 Mbps, which less than 1% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in the San Francisco area.
Fiber internet speeds tend to be faster in the central parts of the San Francisco area, and slower in the north areas of the city.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
EarthLink Fiber in San Francisco, CA
EarthLink fiber coverage
About 57.76%, or 2,743,202 people, have EarthLink fiber internet available to them in the city. The company covers the entire San Francisco area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of the San Francisco area.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in the San Francisco area. Versus other fiber providers in the area, EarthLink fiber is above average. There are 4 different maximum speeds throughout the San Francisco area. The fastest plan anyone in the San Francisco area can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Francisco customers is up to 4,565 Mbps.
Show all download speeds
- 89.1% up to 5,000.0 Mbps
- 10.9% up to 1,000.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 10.0 Mbps
EarthLink fiber upload speeds
In the San Francisco area download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other San Francisco fiber providers. EarthLink offers 4 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 5,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 4,565 Mbps.
Show all upload speeds
- 89.1% up to 5,000.0 Mbps
- 10.9% up to 1,000.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 1.0 Mbps
AT&T Fiber in San Francisco, CA
AT&T fiber coverage
About 57.76%, or 2,743,202 people, have AT&T fiber internet available to them in the city. The company covers the entire San Francisco area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of the San Francisco area.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in the San Francisco area. Versus other fiber providers in the area, AT&T fiber is above average. There are 4 different maximum speeds throughout the San Francisco area. The fastest plan anyone in the San Francisco area can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Francisco customers is up to 4,565 Mbps.
Show all download speeds
- 89.1% up to 5,000.0 Mbps
- 10.9% up to 1,000.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 10.0 Mbps
AT&T fiber upload speeds
In the San Francisco area download speeds tend to be faster than than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other San Francisco fiber providers. AT&T offers 4 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 5,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 4,565 Mbps.
Show all upload speeds
- 89.1% up to 5,000.0 Mbps
- 10.9% up to 1,000.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 1.0 Mbps
Sonic Fiber in San Francisco, CA
Sonic fiber coverage
About 34.15%, or 1,621,815 people, have Sonic fiber internet available to them in the city. The company covers the entire San Francisco area. Sonic is a large internet service provider internet service providers in the US, with internet service available in a small portion of the San Francisco area.
Sonic fiber download speeds
Sonic is above average when comparing download speeds to all other internet providers in the San Francisco area. Versus other fiber providers in the area, Sonic fiber is above average. There are 2 different maximum speeds throughout the San Francisco area. The fastest plan anyone in the San Francisco area can order from Sonic goes up to 10,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for San Francisco customers is up to 6,340 Mbps.
Show all download speeds
- 59.3% up to 10,000.0 Mbps
- 40.7% up to 1,000.0 Mbps
Sonic fiber upload speeds
In the San Francisco area download speeds tend to be equal to than upload speeds for Sonic fiber. Compared to other ISPs, Sonic is above average where upload speeds are concerned, and above average compared to other San Francisco fiber providers. Sonic 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 the San Francisco area is up to 10,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Sonic customers can get speeds up to 6,340 Mbps.
Show all upload speeds
- 59.3% up to 10,000.0 Mbps
- 40.7% up to 1,000.0 Mbps
Astound Broadband Fiber in San Francisco, CA
Astound Broadband fiber coverage
About 2.51%, or 119,333 people, have Astound Broadband fiber internet available to them in the city. The company covers the northeast, east, central, north, and southeast 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 very small piece of the San Francisco area.
Astound Broadband fiber download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in the San Francisco area. Versus other fiber providers in the area, Astound Broadband fiber is below average. There are 2 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 5,000 Mbps, the slowest package only goes up to 1,500 Mbps, and the city-wide average maximum speed for San Francisco customers is up to 1,537 Mbps.
Show all download speeds
- 1.1% up to 5,000.0 Mbps
- 98.9% up to 1,500.0 Mbps
Astound Broadband fiber upload speeds
In the San Francisco area download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and below average compared to other San Francisco fiber providers. Astound Broadband 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 the San Francisco area is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,500 Mbps. On average, Astound Broadband customers can get speeds up to 1,537 Mbps.
Show all upload speeds
- 1.1% up to 5,000.0 Mbps
- 98.9% up to 1,500.0 Mbps
XFINITY from Comcast Fiber in San Francisco, CA
XFINITY fiber coverage
About 1.46%, or 69,122 people, have XFINITY fiber internet available to them in the city. The company covers the northeast, east, southwest, southeast, north, central, south, and west San Francisco area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of the San Francisco area.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in the San Francisco area. Versus other fiber providers in the area, XFINITY fiber is below average. 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 1,000 Mbps, and the city-wide average maximum speed for San Francisco customers is up to 1,573 Mbps.
Show all download speeds
- 47.9% up to 2,000.0 Mbps
- 47.2% up to 1,200.0 Mbps
- 4.9% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In the San Francisco area download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other San Francisco fiber providers. XFINITY offers 4 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 35 Mbps. On average, XFINITY customers can get speeds up to 270 Mbps.
Show all upload speeds
- 2.2% up to 2,000.0 Mbps
- 10.5% up to 1,000.0 Mbps
- 41.9% up to 250.0 Mbps
- 45.4% up to 35.0 Mbps
San Francisco Fiber 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 fiber internet in the San Francisco area compare to the rest of California?
Fiber internet speeds in the San Francisco area are much faster versus the average speeds in California: 0.00 Mbps in California versus 5,882 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 67.80% in the San Francisco area.
What zip codes have fiber internet?
Fiber 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 fiber 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 fiber coverage, slower speeds
- Brisbane, CA: more fiber coverage, slower speeds
- Colma, CA: less fiber coverage, slower speeds
- South San Francisco, CA: more fiber coverage, slower speeds
- Sausalito, CA: less fiber coverage, slower speeds
- San Bruno, CA: more fiber coverage, slower speeds
- Pacifica, CA: more fiber coverage, slower speeds
- Alameda, CA: more fiber coverage, faster speeds
- Emeryville, CA: more fiber coverage, slower speeds
- Tamalpais-Homestead Valley, CA: more fiber coverage, slower speeds
Cities with Similar Populations
- Washington, DC: more fiber coverage, slower speeds
- Atlanta, GA: more fiber coverage, slower speeds
- Miami, FL: more fiber coverage, slower speeds
- Philadelphia, PA: more fiber coverage, slower speeds
- Phoenix, AZ: less fiber coverage, slower speeds
- Boston, MA: more fiber coverage, slower speeds
- Riverside, CA: more fiber coverage, faster speeds
- Houston, TX: more fiber coverage, slower speeds
- Detroit, MI: less fiber coverage, slower speeds
- Seattle, WA: less fiber coverage, slower speeds