In South San Francisco there are 3 residential DSL providers covering 77.29% of the city. The average home can get speeds up to 117 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 South San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in South San Francisco, CA please click below.
South San Francisco, CA Availability Maps
DSL Internet Service Providers in South San Francisco
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 South San Francisco are not shown.
South San Francisco 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 South San Francisco is DSL internet available?

DSL Internet Availability Key
DSL is available in 77.29% of South San Francisco. 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 South San Francisco above to see who has service at your home.
How fast is DSL internet in South San Francisco?
The map below shows maximum DSL internet speeds by area in South San Francisco.

DSL Internet Speed Key
The average South San Francisco home can get up to 117 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 1,000 Mbps, which 2.84% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.71% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in South San Francisco.
DSL internet speeds tend to be faster in the southeast parts of South San Francisco, and slower in the south areas of the city.
Is DSL the fastest internet I can get in South San Francisco?
The fastest internet for you may vary based on where in South San Francisco you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 84.32% of South San Francisco homes.
- Cable is fastest for 15.33% 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 South San Francisco homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in South San Francisco, along with details on where in South San Francisco and at what speeds.
EarthLink DSL in South San Francisco, CA

EarthLink DSL coverage
About 77.29%, or 50,786 people, have EarthLink DSL internet available to them in the city. The company covers the entire South San Francisco area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of South San Francisco.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in South San Francisco. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout South San Francisco. The fastest plan anyone in South San Francisco 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 South San Francisco customers is up to 84 Mbps.
Show all download speeds
- 69.4% up to 100.0 Mbps
- 8.0% up to 75.0 Mbps
- 13.2% up to 50.0 Mbps
- 4.4% up to 25.0 Mbps
- 5.1% up to 10.0 Mbps
EarthLink DSL upload speeds
In South San Francisco 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 below average compared to other South San Francisco 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 South San Francisco 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 17 Mbps.
Show all upload speeds
- 77.3% up to 20.0 Mbps
- 13.2% up to 10.0 Mbps
- 4.4% up to 5.0 Mbps
- 5.1% up to 1.0 Mbps
AT&T DSL in South San Francisco, CA

AT&T DSL coverage
About 77.29%, or 50,786 people, have AT&T DSL internet available to them in the city. The company covers the entire South San Francisco area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of South San Francisco.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in South San Francisco. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout South San Francisco. The fastest plan anyone in South San Francisco 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 South San Francisco customers is up to 84 Mbps.
Show all download speeds
- 69.4% up to 100.0 Mbps
- 8.0% up to 75.0 Mbps
- 13.2% up to 50.0 Mbps
- 4.4% up to 25.0 Mbps
- 5.1% up to 10.0 Mbps
AT&T DSL upload speeds
In South San Francisco 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 below average compared to other South San Francisco 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 South San Francisco 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 17 Mbps.
Show all upload speeds
- 77.3% up to 20.0 Mbps
- 13.2% up to 10.0 Mbps
- 4.4% up to 5.0 Mbps
- 5.1% up to 1.0 Mbps
Astound Broadband DSL in South San Francisco, CA

Astound Broadband DSL coverage
About 2.84%, or 1,865 people, have Astound Broadband DSL internet available to them in the city. The company covers the northeast, east, northwest, central, and southeast South San Francisco area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of South San Francisco.
Astound Broadband DSL download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in South San Francisco. Versus other DSL providers in the area, Astound Broadband DSL is one of the fastest. There are no different maximum speeds throughout South San Francisco. The fastest plan anyone in South San Francisco can order from Astound Broadband goes up to 1,000 Mbps, and all South San Francisco customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL upload speeds
In South San Francisco download speeds tend to be faster than than upload speeds for Astound Broadband DSL. Compared to other ISPs, Astound Broadband is the slowest where upload speeds are concerned, and the slowest compared to other South San Francisco DSL providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South San Francisco is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
South San Francisco DSL by Area
This information is most helpful to those looking for homes or considering moving to South San Francisco or any of the areas nearby.
How does DSL internet in South San Francisco compare to the rest of California?
DSL internet speeds in South San Francisco are much faster versus the average speeds in California: 0.00 Mbps in California versus 117 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 77.29% in South San Francisco.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around South San Francisco 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
- San Bruno, CA: less DSL coverage, slower speeds
- Colma, CA: more DSL coverage, faster speeds
- Brisbane, CA: less DSL coverage, slower speeds
- Daly City, CA: more DSL coverage, faster speeds
- Pacifica, CA: more DSL coverage, slower speeds
- Millbrae, CA: less DSL coverage, slower speeds
- Millbrae Meadows, CA: more DSL coverage, slower speeds
- Pedro Valley, CA: less DSL coverage, slower speeds
- Burlingame, CA: more DSL coverage, faster speeds
- San Francisco, CA: more DSL coverage, slower speeds
Cities with Similar Populations
- Arcadia, CA: more DSL coverage, slower speeds
- Wilkes-Barre, PA: less DSL coverage, slower speeds
- The Villages, FL: less DSL coverage, slower speeds
- San Pablo, CA: less DSL coverage, slower speeds
- San Luis Obispo, CA: less DSL coverage, slower speeds
- Port Orchard, WA: more DSL coverage, faster speeds
- Mayaguez, PR: less DSL coverage, slower speeds
- Lorain, OH: less DSL coverage, slower speeds
- Lake Forest, CA: more DSL coverage, slower speeds
- Joplin, MO: less DSL coverage, slower speeds


