In Santa Clara there are 3 residential Fiber providers covering 43.10% of the city. The average home can get speeds up to 4,415 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 Santa Clara, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Santa Clara, CA please click below.
Santa Clara, CA Availability Maps
Fiber Internet Service Providers in Santa Clara
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 Santa Clara are not shown.
Santa Clara 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 Santa Clara is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 43.10% of Santa Clara. 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 Santa Clara above to see who has service at your home.
How fast is fiber internet in Santa Clara?
The map below shows maximum fiber internet speeds by area in Santa Clara.
Fiber Internet Speed Key
The average Santa Clara home can get up to 4,415 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 36.78% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.94% 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 Santa Clara.
Fiber internet speeds tend to be faster in the northwest parts of Santa Clara, and slower in the east areas of the city.
Is fiber the fastest internet I can get in Santa Clara?
The fastest internet for you may vary based on where in Santa Clara you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 36.78% of Santa Clara homes.
- Cable is fastest for 60.04% 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 3.15% of Santa Clara homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Santa Clara, along with details on where in Santa Clara and at what speeds.
EarthLink Fiber in Santa Clara, CA
EarthLink fiber coverage
About 43.10%, or 55,771 people, have EarthLink fiber internet available to them in the city. The company covers the entire Santa Clara area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Santa Clara.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Santa Clara. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Santa Clara. The fastest plan anyone in Santa Clara 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 Santa Clara customers is up to 4,413 Mbps.
Show all download speeds
- 85.3% up to 5,000.0 Mbps
- 14.7% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Santa Clara 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 Santa Clara 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 Santa Clara 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 4,413 Mbps.
Show all upload speeds
- 85.3% up to 5,000.0 Mbps
- 14.7% up to 1,000.0 Mbps
AT&T Fiber in Santa Clara, CA
AT&T fiber coverage
About 43.10%, or 55,771 people, have AT&T fiber internet available to them in the city. The company covers the entire Santa Clara area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Santa Clara.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Santa Clara. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Santa Clara. The fastest plan anyone in Santa Clara 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 Santa Clara customers is up to 4,413 Mbps.
Show all download speeds
- 85.3% up to 5,000.0 Mbps
- 14.7% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Santa Clara 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 Santa Clara 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 Santa Clara 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 4,413 Mbps.
Show all upload speeds
- 85.3% up to 5,000.0 Mbps
- 14.7% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in Santa Clara, CA
XFINITY fiber coverage
About 3.47%, or 4,488 people, have XFINITY fiber internet available to them in the city. The company covers the northwest, north, south, central, and west Santa Clara 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 Santa Clara.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Santa Clara. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 2 different maximum speeds throughout Santa Clara. The fastest plan anyone in Santa Clara 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 Santa Clara customers is up to 1,716 Mbps.
Show all download speeds
- 64.5% up to 2,000.0 Mbps
- 35.5% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In Santa Clara 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 Santa Clara fiber providers. XFINITY offers 3 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 Santa Clara is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 190 Mbps.
Show all upload speeds
- 2.2% up to 1,000.0 Mbps
- 62.3% up to 250.0 Mbps
- 35.5% up to 35.0 Mbps
Santa Clara Fiber by Area
This information is most helpful to those looking for homes or considering moving to Santa Clara or any of the areas nearby.
How does fiber internet in Santa Clara compare to the rest of California?
Fiber internet speeds in Santa Clara are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,415 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 43.10% in Santa Clara.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Santa Clara 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
- Sunnyvale, CA: more fiber coverage, slower speeds
- Cupertino, CA: more fiber coverage, faster speeds
- Alviso, CA: more fiber coverage, faster speeds
- Campbell, CA: more fiber coverage, faster speeds
- San Jose, CA: more fiber coverage, faster speeds
- Saratoga, CA: more fiber coverage, faster speeds
- Milpitas, CA: more fiber coverage, faster speeds
- Mountain View, CA: more fiber coverage, slower speeds
- Los Altos, CA: more fiber coverage, faster speeds
- Alum Rock, CA: more fiber coverage, faster speeds
Cities with Similar Populations
- Amarillo, TX: more fiber coverage, faster speeds
- Ames, IA: more fiber coverage, faster speeds
- Auburn, WA: less fiber coverage, slower speeds
- Allentown, PA: less fiber coverage, slower speeds
- Augusta, GA: more fiber coverage, slower speeds
- Arden-Arcade, CA: more fiber coverage, slower speeds
- Ann Arbor, MI: more fiber coverage, faster speeds
- Austin, TX: more fiber coverage, faster speeds
- Atlanta, GA: more fiber coverage, faster speeds
- Aurora, IL: less fiber coverage, faster speeds