In Questa there are 2 residential DSL providers covering 3.13% of the neighborhood. The average home can get speeds up to 30 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 Questa, Mountain House, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Questa, Mountain House, CA please click below.
Questa, Mountain House, CA Availability Maps
DSL Internet Service Providers in Questa
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 Questa are not shown.
Questa 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 Questa is DSL internet available?

DSL Internet Availability Key
DSL is available in 3.13% of Questa. 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 Questa above to see who has service at your home.
How fast is DSL internet in Questa?
The map below shows maximum DSL internet speeds by area in Questa.

DSL Internet Speed Key
The average Questa home can get up to 30 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 50 Mbps, which 1.01% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Questa.
Is DSL the fastest internet I can get in Questa?
The fastest internet for you may vary based on where in Questa you live. In general, cable competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 3.70% of Questa homes.
- Cable is fastest for 92.55% of the neighborhood.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.75%.
- Satellite internet may be the only option for less than 1% of Questa homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Questa, along with details on where in Questa and at what speeds.
EarthLink DSL in Questa, Mountain House, CA

EarthLink DSL coverage
About 3.13%, or 137 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the southeast Questa area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Questa.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Questa. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 3 different maximum speeds throughout Questa. The fastest plan anyone in Questa can order from EarthLink goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Questa customers is up to 30 Mbps.
Show all download speeds
- 32.1% up to 50.0 Mbps
- 50.4% up to 25.0 Mbps
- 17.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Questa 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 Questa 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 Questa is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 5.9 Mbps.
Show all upload speeds
- 32.1% up to 10.0 Mbps
- 50.4% up to 5.0 Mbps
- 17.5% up to 1.0 Mbps
AT&T DSL in Questa, Mountain House, CA

AT&T DSL coverage
About 3.13%, or 137 people, have AT&T DSL internet available to them in the neighborhood. The company covers the southeast Questa area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Questa.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Questa. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 3 different maximum speeds throughout Questa. The fastest plan anyone in Questa can order from AT&T goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Questa customers is up to 30 Mbps.
Show all download speeds
- 32.1% up to 50.0 Mbps
- 50.4% up to 25.0 Mbps
- 17.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Questa 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 Questa 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 Questa is up to 10 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 5.9 Mbps.
Show all upload speeds
- 32.1% up to 10.0 Mbps
- 50.4% up to 5.0 Mbps
- 17.5% up to 1.0 Mbps
Questa DSL by Area
This information is most helpful to those looking for homes or considering moving to Questa or any of the areas nearby.
How does DSL internet in Questa compare to the rest of Mountain House?
DSL internet speeds in Questa are much faster versus the average speeds in Mountain House: 0.00 Mbps in Mountain House versus 30 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in Mountain House is 0.00% versus 3.13% in Questa.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Questa 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
- Altamont, Mountain House, CA: less DSL coverage, slower speeds
- Bethany, Mountain House, CA: more DSL coverage, faster speeds
- Hansen, Mountain House, CA: more DSL coverage, faster speeds
- Weston Ranch, Stockton, CA: more DSL coverage, faster speeds
- Brookside, Stockton, CA: more DSL coverage, faster speeds
- Seaport, Stockton, CA: more DSL coverage, faster speeds
- Lincoln Village West, Stockton, CA: more DSL coverage, faster speeds
- Civic Center, Stockton, CA: more DSL coverage, faster speeds
- Pacific, Stockton, CA: more DSL coverage, faster speeds
- Park, Stockton, CA: more DSL coverage, faster speeds
Neighborhoods with Similar Populations
- Urbanizacion Turabo Gdns, Caguas, PR: more DSL coverage, faster speeds
- Charlotte Park, Nashville, TN: more DSL coverage, faster speeds
- Turtle Ridge, Irvine, CA: more DSL coverage, slower speeds
- Core City, Detroit, MI: more DSL coverage, slower speeds
- Cottage Park, Mobile, AL: more DSL coverage, faster speeds
- Dunn's Marsh, Madison, WI: more DSL coverage, faster speeds
- East Hill, Eau Claire, WI: more DSL coverage, slower speeds
- Stone Bridge, Fargo, ND: more DSL coverage, faster speeds
- Eastlake Trails, Chula Vista, CA: more DSL coverage, faster speeds
- Eastside, Tucson, AZ: more DSL coverage, faster speeds


