In Seacliff there are 3 residential Fiber providers covering 91.88% of the neighborhood. The average home can get speeds up to 3,743 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 Seacliff, San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Seacliff, San Francisco, CA please click below.
Seacliff, San Francisco, CA Availability Maps
Fiber Internet Service Providers in Seacliff
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 Seacliff are not shown.
Seacliff 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 Seacliff is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 91.88% of Seacliff. 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 Seacliff above to see who has service at your home.
How fast is fiber internet in Seacliff?
The map below shows maximum fiber internet speeds by area in Seacliff.
Fiber Internet Speed Key
The average Seacliff home can get up to 3,743 Mbps on their fiber internet plan. The fastest fiber download speed in the neighborhood is 5,000 Mbps, which 63.01% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 28.87% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Seacliff.
Fiber internet speeds tend to be faster in the east parts of Seacliff, and slower in the southwest areas of the neighborhood.
Is fiber the fastest internet I can get in Seacliff?
The fastest internet for you may vary based on where in Seacliff you live. In general, cable competes most often with fiber in the neighborhood.
- Fiber is the fastest internet type for 63.01% of Seacliff homes.
- Cable is fastest for 36.29% 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 Seacliff homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Seacliff, along with details on where in Seacliff and at what speeds.
Sonic Fiber in Seacliff, San Francisco, CA
Sonic fiber coverage
About 82.98%, or 10,736 people, have Sonic fiber internet available to them in the neighborhood. The company covers the south, southeast, east, central, west, southwest, northeast, and north Seacliff area. Sonic is a large internet service provider internet service providers in the US, with internet service available in much of Seacliff.
Sonic fiber download speeds
Sonic is average when comparing download speeds to all other internet providers in Seacliff. Versus other fiber providers in the area, Sonic fiber is the slowest. There are no different maximum speeds throughout Seacliff. The fastest plan anyone in Seacliff can order from Sonic goes up to 1,000 Mbps, and all Seacliff customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sonic fiber upload speeds
In Seacliff 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 the slowest compared to other Seacliff fiber providers. Sonic offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Seacliff is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
EarthLink Fiber in Seacliff, San Francisco, CA
EarthLink fiber coverage
About 72.67%, or 9,402 people, have EarthLink fiber internet available to them in the neighborhood. The company covers the entire Seacliff area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Seacliff.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Seacliff. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Seacliff. The fastest plan anyone in Seacliff can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Seacliff customers is up to 4,468 Mbps.
Show all download speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Seacliff download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Seacliff fiber providers. EarthLink offers 2 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 Seacliff is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,468 Mbps.
Show all upload speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
AT&T Fiber in Seacliff, San Francisco, CA
AT&T fiber coverage
About 72.67%, or 9,402 people, have AT&T fiber internet available to them in the neighborhood. The company covers the entire Seacliff area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Seacliff.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Seacliff. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Seacliff. The fastest plan anyone in Seacliff can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Seacliff customers is up to 4,468 Mbps.
Show all download speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Seacliff download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Seacliff fiber providers. AT&T offers 2 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 Seacliff is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,468 Mbps.
Show all upload speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
Seacliff Fiber by Area
This information is most helpful to those looking for homes or considering moving to Seacliff or any of the areas nearby.
How does fiber internet in Seacliff compare to the rest of San Francisco?
Fiber internet speeds in Seacliff are much faster versus the average speeds in San Francisco: 0.00 Mbps in San Francisco versus 3,743 Mbps in the neighborhood. The city has similar fiber availability compared to the neighborhood. Average fiber coverage in San Francisco is 0.00% versus 91.88% in Seacliff.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Seacliff 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 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
- Outer Richmond, San Francisco, CA: more fiber coverage, slower speeds
- Inner Richmond, San Francisco, CA: less fiber coverage, slower speeds
- Presidio Heights, San Francisco, CA: less fiber coverage, slower speeds
- Outer Sunset, San Francisco, CA: more fiber coverage, slower speeds
- Inner Sunset, San Francisco, CA: less fiber coverage, slower speeds
- Haight-Ashbury, San Francisco, CA: less fiber coverage, faster speeds
- Cole Valley, San Francisco, CA: less fiber coverage, slower speeds
- Parkside, San Francisco, CA: more fiber coverage, slower speeds
- Twin Peaks, San Francisco, CA: less fiber coverage, faster speeds
- Western Addition, San Francisco, CA: less fiber coverage, faster speeds
Neighborhoods with Similar Populations
- Pershing, Detroit, MI: less fiber coverage, faster speeds
- King, Portland, OR: more fiber coverage, slower speeds
- Lake Nona, Orlando, FL: more fiber coverage, faster speeds
- Lee-Miles, Cleveland, OH: more fiber coverage, faster speeds
- Lower East Side, Milwaukee, WI: more fiber coverage, slower speeds
- Lower Roseville, Newark, NJ: more fiber coverage, faster speeds
- Mandarin Station-Losco, Jacksonville, FL: less fiber coverage, faster speeds
- Mandell, Chicago, IL: less fiber coverage, slower speeds
- Maple Leaf, Seattle, WA: more fiber coverage, slower speeds
- Aberdeen, Hampton, VA: more fiber coverage, slower speeds