In Castro-Upper Market there are 2 residential DSL providers covering 98.79% of the neighborhood. The average home can get speeds up to 57 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 Castro-Upper Market, San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Castro-Upper Market, San Francisco, CA please click below.
Castro-Upper Market, San Francisco, CA Availability Maps
DSL Internet Service Providers in Castro-Upper Market
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 Castro-Upper Market are not shown.
Castro-Upper Market 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 Castro-Upper Market is DSL internet available?

DSL Internet Availability Key
DSL is available in 98.79% of Castro-Upper Market. 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 Castro-Upper Market above to see who has service at your home.
How fast is DSL internet in Castro-Upper Market?
The map below shows maximum DSL internet speeds by area in Castro-Upper Market.

DSL Internet Speed Key
The average Castro-Upper Market home can get up to 57 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 100 Mbps, which 35.58% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 35.09% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Castro-Upper Market.
DSL internet speeds tend to be faster in the east parts of Castro-Upper Market, and slower in the northwest areas of the neighborhood.
Is DSL the fastest internet I can get in Castro-Upper Market?
The fastest internet for you may vary based on where in Castro-Upper Market you live. In general, cable competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 33.06% of Castro-Upper Market homes.
- Cable is fastest for 66.94% 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 Castro-Upper Market homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Castro-Upper Market, along with details on where in Castro-Upper Market and at what speeds.
AT&T DSL in Castro-Upper Market, San Francisco, CA

AT&T DSL coverage
About 98.79%, or 14,231 people, have AT&T DSL internet available to them in the neighborhood. The company covers the entire Castro-Upper Market area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castro-Upper Market.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Castro-Upper Market. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Castro-Upper Market. The fastest plan anyone in Castro-Upper Market 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 Castro-Upper Market customers is up to 57 Mbps.
Show all download speeds
- 36.0% up to 100.0 Mbps
- 13.0% up to 75.0 Mbps
- 15.5% up to 50.0 Mbps
- 35.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Castro-Upper Market 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 Castro-Upper Market DSL providers. AT&T offers 3 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 Castro-Upper Market 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 12 Mbps.
Show all upload speeds
- 49.0% up to 20.0 Mbps
- 15.5% up to 10.0 Mbps
- 35.5% up to 1.0 Mbps
EarthLink DSL in Castro-Upper Market, San Francisco, CA

EarthLink DSL coverage
About 98.79%, or 14,231 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the entire Castro-Upper Market area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castro-Upper Market.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Castro-Upper Market. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Castro-Upper Market. The fastest plan anyone in Castro-Upper Market 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 Castro-Upper Market customers is up to 57 Mbps.
Show all download speeds
- 36.0% up to 100.0 Mbps
- 13.0% up to 75.0 Mbps
- 15.5% up to 50.0 Mbps
- 35.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Castro-Upper Market 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 Castro-Upper Market DSL providers. EarthLink offers 3 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 Castro-Upper Market 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 12 Mbps.
Show all upload speeds
- 49.0% up to 20.0 Mbps
- 15.5% up to 10.0 Mbps
- 35.5% up to 1.0 Mbps
Castro-Upper Market DSL by Area
This information is most helpful to those looking for homes or considering moving to Castro-Upper Market or any of the areas nearby.
How does DSL internet in Castro-Upper Market compare to the rest of San Francisco?
DSL internet speeds in Castro-Upper Market are much faster versus the average speeds in San Francisco: 0.00 Mbps in San Francisco versus 57 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in San Francisco is 0.00% versus 98.79% in Castro-Upper Market.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Castro-Upper Market 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
- Duboce Triangle, San Francisco, CA: more DSL coverage, faster speeds
- Liberty Street Historic District, San Francisco, CA: more DSL coverage, faster speeds
- Noe Valley, San Francisco, CA: less DSL coverage, faster speeds
- Cole Valley, San Francisco, CA: more DSL coverage, slower speeds
- Haight-Ashbury, San Francisco, CA: more DSL coverage, faster speeds
- Twin Peaks, San Francisco, CA: more DSL coverage, faster speeds
- Diamond Heights, San Francisco, CA: more DSL coverage, slower speeds
- Mission, San Francisco, CA: more DSL coverage, faster speeds
- Western Addition, San Francisco, CA: more DSL coverage, faster speeds
- Glen Park, San Francisco, CA: less DSL coverage, slower speeds
Neighborhoods with Similar Populations
- Winter Gardens, Lakeside, CA: less DSL coverage, faster speeds
- Atwater Village, Los Angeles, CA: less DSL coverage, faster speeds
- Bayshore-Klatt, Anchorage, AK: more DSL coverage, slower speeds
- Northwest Nashua, Nashua, NH: less DSL coverage, slower speeds
- North End, Bridgeport, CT: less DSL coverage, slower speeds
- North Hills, El Paso, TX: less DSL coverage, faster speeds
- North Hyde Park, Tampa, FL: less DSL coverage, slower speeds
- North Shores, North Bay Village, FL: more DSL coverage, slower speeds
- North Stamford, Stamford, CT: less DSL coverage, slower speeds
- Northwest Corpus Christi, Corpus Christi, TX: less DSL coverage, faster speeds


