In Santa Clara there are 3 residential DSL providers covering 89.55% of the city. The average home can get speeds up to 114 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 DSL 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
DSL 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 DSL internet available?
DSL Internet Availability Key
DSL is available in 89.55% of Santa Clara. Areas in green have DSL 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 DSL internet in Santa Clara?
The map below shows maximum DSL internet speeds by area in Santa Clara.
DSL Internet Speed Key
The average Santa Clara home can get up to 114 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 1,000 Mbps, which 4.25% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 18.51% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Santa Clara.
DSL internet speeds tend to be faster in the central parts of Santa Clara, and slower in the southeast areas of the city.
Is DSL 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 DSL 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.
DSL 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.
AT&T DSL in Santa Clara, CA
AT&T DSL coverage
About 89.55%, or 115,873 people, have AT&T DSL 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 most of Santa Clara.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Santa Clara. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Santa Clara. The fastest plan anyone in Santa Clara can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Santa Clara customers is up to 68 Mbps.
Show all download speeds
- 48.2% up to 100.0 Mbps
- 13.6% up to 75.0 Mbps
- 13.3% up to 50.0 Mbps
- 1.7% up to 25.0 Mbps
- 23.1% up to 10.0 Mbps
AT&T DSL upload speeds
In Santa Clara download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Santa Clara DSL 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 Santa Clara is up to 20 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 14 Mbps.
Show all upload speeds
- 61.9% up to 20.0 Mbps
- 13.3% up to 10.0 Mbps
- 1.7% up to 5.0 Mbps
- 23.1% up to 1.0 Mbps
EarthLink DSL in Santa Clara, CA
EarthLink DSL coverage
About 89.55%, or 115,873 people, have EarthLink DSL 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 most of Santa Clara.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Santa Clara. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Santa Clara. The fastest plan anyone in Santa Clara can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Santa Clara customers is up to 68 Mbps.
Show all download speeds
- 48.2% up to 100.0 Mbps
- 13.6% up to 75.0 Mbps
- 13.3% up to 50.0 Mbps
- 1.7% up to 25.0 Mbps
- 23.1% up to 10.0 Mbps
EarthLink DSL upload speeds
In Santa Clara download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Santa Clara DSL 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 Santa Clara is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 14 Mbps.
Show all upload speeds
- 61.9% up to 20.0 Mbps
- 13.3% up to 10.0 Mbps
- 1.7% up to 5.0 Mbps
- 23.1% up to 1.0 Mbps
Sail Internet DSL in Santa Clara, CA
Sail Internet DSL coverage
About 5.09%, or 6,591 people, have Sail Internet DSL internet available to them in the city. The company covers the north, northeast, central, east, and west Santa Clara area. Sail Internet is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Santa Clara.
Sail Internet DSL download speeds
Sail Internet is below average when comparing download speeds to all other internet providers in Santa Clara. Versus other DSL providers in the area, Sail Internet DSL is the fastest. There are 2 different maximum speeds throughout Santa Clara. The fastest plan anyone in Santa Clara can order from Sail Internet goes up to 1,000 Mbps, the slowest package only goes up to 200 Mbps, and the city-wide average maximum speed for Santa Clara customers is up to 867 Mbps.
Show all download speeds
- 83.3% up to 1,000.0 Mbps
- 16.7% up to 200.0 Mbps
Sail Internet DSL upload speeds
In Santa Clara download speeds tend to be faster than than upload speeds for Sail Internet DSL. Compared to other ISPs, Sail Internet is above average where upload speeds are concerned, and the fastest compared to other Santa Clara DSL providers. Sail Internet 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Sail Internet customers can get speeds up to 850 Mbps.
Show all upload speeds
- 83.3% up to 1,000.0 Mbps
- 16.7% up to 100.0 Mbps
Santa Clara DSL 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 DSL internet in Santa Clara compare to the rest of California?
DSL internet speeds in Santa Clara are much faster versus the average speeds in California: 0.00 Mbps in California versus 114 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 89.55% in Santa Clara.
What zip codes have DSL internet?
DSL 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 DSL 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: less DSL coverage, slower speeds
- Cupertino, CA: less DSL coverage, slower speeds
- Alviso, CA: less DSL coverage, slower speeds
- Campbell, CA: less DSL coverage, slower speeds
- San Jose, CA: less DSL coverage, slower speeds
- Saratoga, CA: less DSL coverage, slower speeds
- Milpitas, CA: more DSL coverage, faster speeds
- Mountain View, CA: more DSL coverage, slower speeds
- Los Altos, CA: less DSL coverage, slower speeds
- Alum Rock, CA: less DSL coverage, slower speeds
Cities with Similar Populations
- Amarillo, TX: less DSL coverage, slower speeds
- Ames, IA: less DSL coverage, slower speeds
- Auburn, WA: more DSL coverage, slower speeds
- Allentown, PA: less DSL coverage, slower speeds
- Augusta, GA: less DSL coverage, slower speeds
- Arden-Arcade, CA: less DSL coverage, slower speeds
- Ann Arbor, MI: less DSL coverage, slower speeds
- Austin, TX: less DSL coverage, slower speeds
- Atlanta, GA: less DSL coverage, slower speeds
- Aurora, IL: less DSL coverage, slower speeds