In Union Square there are 4 residential DSL providers covering 99.32% of the neighborhood. The average home can get speeds up to 82 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 Union Square, San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Union Square, San Francisco, CA please click below.
Union Square, San Francisco, CA Availability Maps
DSL Internet Service Providers in Union Square
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 Union Square are not shown.
Union Square 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 Union Square is DSL internet available?

DSL Internet Availability Key
DSL is available in 99.32% of Union Square. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Sail Internet. Call one of the companies with service in Union Square above to see who has service at your home.
How fast is DSL internet in Union Square?
The map below shows maximum DSL internet speeds by area in Union Square.

DSL Internet Speed Key
The average Union Square home can get up to 82 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 1,000 Mbps, which 6.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 83.29% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Union Square.
DSL internet speeds tend to be faster in the south parts of Union Square, and slower in the southwest areas of the neighborhood.
Is DSL the fastest internet I can get in Union Square?
The fastest internet for you may vary based on where in Union Square you live. In general, cable competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 4.52% of Union Square homes.
- Cable is fastest for 94.57% of the neighborhood.
- 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 Union Square homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Union Square, along with details on where in Union Square and at what speeds.
AT&T DSL in Union Square, San Francisco, CA

AT&T DSL coverage
About 99.32%, or 8,345 people, have AT&T DSL internet available to them in the neighborhood. The company covers the entire Union Square area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Union Square.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Union Square. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 2 different maximum speeds throughout Union Square. The fastest plan anyone in Union Square can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Union Square customers is up to 25 Mbps.
Show all download speeds
- 16.1% up to 100.0 Mbps
- 83.9% up to 10.0 Mbps
AT&T DSL upload speeds
In Union Square download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Union Square DSL providers. AT&T offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Union Square 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 4.1 Mbps.
Show all upload speeds
- 16.1% up to 20.0 Mbps
- 83.9% up to 1.0 Mbps
EarthLink DSL in Union Square, San Francisco, CA

EarthLink DSL coverage
About 99.32%, or 8,345 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the entire Union Square area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Union Square.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Union Square. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 2 different maximum speeds throughout Union Square. The fastest plan anyone in Union Square can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Union Square customers is up to 25 Mbps.
Show all download speeds
- 16.1% up to 100.0 Mbps
- 83.9% up to 10.0 Mbps
EarthLink DSL upload speeds
In Union Square download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Union Square DSL providers. EarthLink offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Union Square 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 4.1 Mbps.
Show all upload speeds
- 16.1% up to 20.0 Mbps
- 83.9% up to 1.0 Mbps
Sail Internet DSL in Union Square, San Francisco, CA

Sail Internet DSL coverage
About 3.48%, or 292 people, have Sail Internet DSL internet available to them in the neighborhood. The company covers the northwest Union Square 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 Union Square.
Sail Internet DSL download speeds
Sail Internet is above average when comparing download speeds to all other internet providers in Union Square. Versus other DSL providers in the area, Sail Internet DSL is one of the fastest. There are no different maximum speeds throughout Union Square. The fastest plan anyone in Union Square can order from Sail Internet goes up to 1,000 Mbps, and all Union Square customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sail Internet DSL upload speeds
In Union Square download speeds tend to be equal to 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 Union Square DSL providers. Sail Internet offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Union Square is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL in Union Square, San Francisco, CA

Astound Broadband DSL coverage
About 2.82%, or 237 people, have Astound Broadband DSL internet available to them in the neighborhood. The company covers the south Union Square 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 Union Square.
Astound Broadband DSL download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Union Square. Versus other DSL providers in the area, Astound Broadband DSL is one of the fastest. There are no different maximum speeds throughout Union Square. The fastest plan anyone in Union Square can order from Astound Broadband goes up to 1,000 Mbps, and all Union Square customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL upload speeds
In Union Square download speeds tend to be faster than than upload speeds for Astound Broadband DSL. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and below average compared to other Union Square DSL providers. Astound Broadband offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Union Square is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Union Square DSL by Area
This information is most helpful to those looking for homes or considering moving to Union Square or any of the areas nearby.
How does DSL internet in Union Square compare to the rest of San Francisco?
DSL internet speeds in Union Square are much faster versus the average speeds in San Francisco: 0.00 Mbps in San Francisco versus 82 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in San Francisco is 0.00% versus 99.32% in Union Square.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Union Square 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Chinatown-San Francisco, San Francisco, CA: more DSL coverage, slower speeds
- Downtown San Francisco, San Francisco, CA: less DSL coverage, slower speeds
- Nob Hill, San Francisco, CA: more DSL coverage, slower speeds
- South of Market, San Francisco, CA: less DSL coverage, faster speeds
- Russian Hill, San Francisco, CA: more DSL coverage, slower speeds
- Financial District, San Francisco, CA: less DSL coverage, faster speeds
- Pacific Heights, San Francisco, CA: more DSL coverage, slower speeds
- Western Addition, San Francisco, CA: more DSL coverage, slower speeds
- Cow Hollow, San Francisco, CA: more DSL coverage, slower speeds
- North Beach, San Francisco, CA: more DSL coverage, slower speeds
Neighborhoods with Similar Populations
- Duluth Heights, Duluth, MN: more DSL coverage, slower speeds
- East English Village, Detroit, MI: more DSL coverage, faster speeds
- Edgerton, Rochester, NY: less DSL coverage, slower speeds
- Elvira, Summit, AZ: more DSL coverage, slower speeds
- Harvest Bend, Houston, TX: less DSL coverage, slower speeds
- Arnett Benson, Lubbock, TX: less DSL coverage, slower speeds
- Hosford-Abernethy, Portland, OR: less DSL coverage, slower speeds
- Kirkwood, Coralville, IA: more DSL coverage, faster speeds
- Los Angeles Heights-Keystone, San Antonio, TX: less DSL coverage, slower speeds
- Hickory Ridge, Charlotte, NC: less DSL coverage, slower speeds


