In San Leandro there are 3 residential Fiber providers covering 91.51% of the city. The average home can get speeds up to 9,447 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 Leandro, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Leandro, CA please click below.
San Leandro, CA Availability Maps
Fiber Internet Service Providers in San Leandro
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 San Leandro are not shown.
San Leandro 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 San Leandro is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 91.51% of San Leandro. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Sonic. Call one of the companies with service in San Leandro above to see who has service at your home.
How fast is fiber internet in San Leandro?
The map below shows maximum fiber internet speeds by area in San Leandro.
Fiber Internet Speed Key
The average San Leandro home can get up to 9,447 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 10,000 Mbps, which 82.57% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.47% 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 San Leandro.
Fiber internet speeds tend to be faster in the west parts of San Leandro, and slower in the southwest areas of the city.
Is fiber the fastest internet I can get in San Leandro?
The fastest internet for you may vary based on where in San Leandro you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 90.03% of San Leandro homes.
- Cable is fastest for 9.57% 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 Leandro homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in San Leandro, along with details on where in San Leandro and at what speeds.
EarthLink Fiber in San Leandro, CA
EarthLink fiber coverage
About 84.73%, or 77,578 people, have EarthLink fiber internet available to them in the city. The company covers the entire San Leandro area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Leandro.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in San Leandro. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout San Leandro. The fastest plan anyone in San Leandro can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for San Leandro customers is up to 4,617 Mbps.
Show all download speeds
- 90.4% up to 5,000.0 Mbps
- 9.6% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In San Leandro download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and one of the slowest compared to other San Leandro fiber providers. EarthLink 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 San Leandro 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 4,617 Mbps.
Show all upload speeds
- 90.4% up to 5,000.0 Mbps
- 9.6% up to 1,000.0 Mbps
AT&T Fiber in San Leandro, CA
AT&T fiber coverage
About 84.73%, or 77,578 people, have AT&T fiber internet available to them in the city. The company covers the entire San Leandro area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Leandro.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in San Leandro. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are 2 different maximum speeds throughout San Leandro. The fastest plan anyone in San Leandro can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for San Leandro customers is up to 4,617 Mbps.
Show all download speeds
- 90.4% up to 5,000.0 Mbps
- 9.6% up to 1,000.0 Mbps
AT&T fiber upload speeds
In San Leandro download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and one of the slowest compared to other San Leandro fiber providers. AT&T 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 San Leandro 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 4,617 Mbps.
Show all upload speeds
- 90.4% up to 5,000.0 Mbps
- 9.6% up to 1,000.0 Mbps
Sonic Fiber in San Leandro, CA
Sonic fiber coverage
About 82.58%, or 75,614 people, have Sonic fiber internet available to them in the city. The company covers the entire San Leandro area. Sonic is a large internet service provider internet service providers in the US, with internet service available in much of San Leandro.
Sonic fiber download speeds
Sonic is the fastest when comparing download speeds to all other internet providers in San Leandro. Versus other fiber providers in the area, Sonic fiber is the fastest. There are 2 different maximum speeds throughout San Leandro. The fastest plan anyone in San Leandro 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 Leandro customers is up to 9,998 Mbps.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
- 0.0% up to 1,000.0 Mbps
Sonic fiber upload speeds
In San Leandro download speeds tend to be equal to than upload speeds for Sonic fiber. Compared to other ISPs, Sonic is the fastest where upload speeds are concerned, and the fastest compared to other San Leandro 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 San Leandro 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 9,998 Mbps.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
- 0.0% up to 1,000.0 Mbps
San Leandro Fiber by Area
This information is most helpful to those looking for homes or considering moving to San Leandro or any of the areas nearby.
How does fiber internet in San Leandro compare to the rest of California?
Fiber internet speeds in San Leandro are much faster versus the average speeds in California: 0.00 Mbps in California versus 9,447 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 91.51% in San Leandro.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around San Leandro 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
- Ashland, CA: more fiber coverage, faster speeds
- San Lorenzo, CA: more fiber coverage, faster speeds
- Cherryland, CA: more fiber coverage, slower speeds
- Castro Valley, CA: less fiber coverage, slower speeds
- Fairview, CA: less fiber coverage, slower speeds
- Hayward, CA: less fiber coverage, slower speeds
- Oakland, CA: less fiber coverage, slower speeds
- Alameda, CA: less fiber coverage, slower speeds
- Canyon, CA: less fiber coverage, slower speeds
- Piedmont, CA: more fiber coverage, faster speeds
Cities with Similar Populations
- Fishers, IN: more fiber coverage, slower speeds
- Napa, CA: less fiber coverage, slower speeds
- Auburn, WA: less fiber coverage, slower speeds
- St. Augustine, FL: less fiber coverage, slower speeds
- Santa Monica, CA: less fiber coverage, slower speeds
- Sanford, FL: less fiber coverage, slower speeds
- Redwood City, CA: less fiber coverage, slower speeds
- Norwalk, CT: more fiber coverage, slower speeds
- Nashua, NH: less fiber coverage, slower speeds
- Mount Pleasant, SC: less fiber coverage, slower speeds