In Hillsborough there are 2 residential DSL providers covering 75.68% of the city. The average home can get speeds up to 39 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 Hillsborough, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Hillsborough, CA please click below.
Hillsborough, CA Availability Maps
DSL Internet Service Providers in Hillsborough
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 Hillsborough are not shown.
Hillsborough 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 Hillsborough is DSL internet available?

DSL Internet Availability Key
DSL is available in 75.68% of Hillsborough. 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 Hillsborough above to see who has service at your home.
How fast is DSL internet in Hillsborough?
The map below shows maximum DSL internet speeds by area in Hillsborough.

DSL Internet Speed Key
The average Hillsborough home can get up to 39 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 13.77% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 34.13% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Hillsborough.
DSL internet speeds tend to be faster in the northeast parts of Hillsborough, and slower in the central areas of the city.
Is DSL the fastest internet I can get in Hillsborough?
The fastest internet for you may vary based on where in Hillsborough you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 43.67% of Hillsborough homes.
- Cable is fastest for 56.18% 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 Hillsborough homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Hillsborough, along with details on where in Hillsborough and at what speeds.
AT&T DSL in Hillsborough, CA

AT&T DSL coverage
About 75.68%, or 10,452 people, have AT&T DSL internet available to them in the city. The company covers the entire Hillsborough area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Hillsborough.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Hillsborough. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Hillsborough. The fastest plan anyone in Hillsborough 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 Hillsborough customers is up to 39 Mbps.
Show all download speeds
- 18.2% up to 100.0 Mbps
- 6.1% up to 75.0 Mbps
- 16.6% up to 50.0 Mbps
- 14.1% up to 25.0 Mbps
- 45.1% up to 10.0 Mbps
AT&T DSL upload speeds
In Hillsborough 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 fastest compared to other Hillsborough 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 Hillsborough 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 7.7 Mbps.
Show all upload speeds
- 24.3% up to 20.0 Mbps
- 16.6% up to 10.0 Mbps
- 14.1% up to 5.0 Mbps
- 45.1% up to 1.0 Mbps
EarthLink DSL in Hillsborough, CA

EarthLink DSL coverage
About 75.68%, or 10,452 people, have EarthLink DSL internet available to them in the city. The company covers the entire Hillsborough area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Hillsborough.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Hillsborough. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Hillsborough. The fastest plan anyone in Hillsborough 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 Hillsborough customers is up to 39 Mbps.
Show all download speeds
- 18.2% up to 100.0 Mbps
- 6.1% up to 75.0 Mbps
- 16.6% up to 50.0 Mbps
- 14.1% up to 25.0 Mbps
- 45.1% up to 10.0 Mbps
EarthLink DSL upload speeds
In Hillsborough 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 fastest compared to other Hillsborough 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 Hillsborough 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 7.7 Mbps.
Show all upload speeds
- 24.3% up to 20.0 Mbps
- 16.6% up to 10.0 Mbps
- 14.1% up to 5.0 Mbps
- 45.1% up to 1.0 Mbps
Hillsborough DSL by Area
This information is most helpful to those looking for homes or considering moving to Hillsborough or any of the areas nearby.
How does DSL internet in Hillsborough compare to the rest of California?
DSL internet speeds in Hillsborough are much faster versus the average speeds in California: 0.00 Mbps in California versus 39 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 75.68% in Hillsborough.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Hillsborough 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
- Burlingame, CA: more DSL coverage, faster speeds
- Highlands-Baywood Park, CA: more DSL coverage, faster speeds
- San Mateo, CA: less DSL coverage, faster speeds
- Millbrae, CA: less DSL coverage, faster speeds
- Belmont, CA: less DSL coverage, slower speeds
- Foster City, CA: less DSL coverage, faster speeds
- San Bruno, CA: less DSL coverage, faster speeds
- Millbrae Meadows, CA: more DSL coverage, faster speeds
- San Carlos, CA: less DSL coverage, faster speeds
- Pedro Valley, CA: less DSL coverage, faster speeds
Cities with Similar Populations
- Lake Geneva, WI: less DSL coverage, slower speeds
- Santaquin, UT: more DSL coverage, slower speeds
- San Marino, CA: more DSL coverage, faster speeds
- Sabana Hoyos, PR: more DSL coverage, slower speeds
- Rogers, MN: more DSL coverage, faster speeds
- Lincolnwood, IL: more DSL coverage, faster speeds
- Las Marias, PR: less DSL coverage, slower speeds
- Lantana, FL: more DSL coverage, faster speeds
- Lakeland Village, CA: less DSL coverage, slower speeds
- Lakeland, TN: more DSL coverage, faster speeds


