In Altamont there are 2 residential DSL providers covering 1.04% of the neighborhood. The average home can get speeds up to 10 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 Altamont, Mountain House, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Altamont, Mountain House, CA please click below.
Altamont, Mountain House, CA Availability Maps
DSL Internet Service Providers in Altamont
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 Altamont are not shown.
Altamont 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 Altamont is DSL internet available?

DSL Internet Availability Key
DSL is available in 1.04% of Altamont. 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 Altamont above to see who has service at your home.
How fast is DSL internet in Altamont?
The map below shows maximum DSL internet speeds by area in Altamont.

DSL Internet Speed Key
The average Altamont home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 10 Mbps, which 1.04% of residents can get.
Is DSL the fastest internet I can get in Altamont?
The fastest internet for you may vary based on where in Altamont you live. In general, cable competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 1.04% of Altamont homes.
- Cable is fastest for 98.23% 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 Altamont homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Altamont, along with details on where in Altamont and at what speeds.
AT&T DSL in Altamont, Mountain House, CA

AT&T DSL coverage
About 1.04%, or 37 people, have AT&T DSL internet available to them in the neighborhood. The company covers the southeast Altamont 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 Altamont.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Altamont. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Altamont. The fastest plan anyone in Altamont can order from AT&T goes up to 10 Mbps, and all Altamont customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Altamont 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 fastest compared to other Altamont DSL providers. AT&T offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Altamont is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Altamont, Mountain House, CA

EarthLink DSL coverage
About 1.04%, or 37 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the southeast Altamont 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 Altamont.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Altamont. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Altamont. The fastest plan anyone in Altamont can order from EarthLink goes up to 10 Mbps, and all Altamont customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Altamont 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 fastest compared to other Altamont DSL providers. EarthLink offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Altamont is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Altamont DSL by Area
This information is most helpful to those looking for homes or considering moving to Altamont or any of the areas nearby.
How does DSL internet in Altamont compare to the rest of Mountain House?
DSL internet speeds in Altamont are much faster versus the average speeds in Mountain House: 0.00 Mbps in Mountain House versus 10 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in Mountain House is 0.00% versus 1.04% in Altamont.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Altamont 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
- Questa, Mountain House, CA: more DSL coverage, faster 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
- West Willow, Ypsilanti, MI: more DSL coverage, faster speeds
- Colonial Hills, Lincoln, NE: more DSL coverage, faster speeds
- Car Town, Kannapolis, NC: more DSL coverage, faster speeds
- Bradley Estates, Milwaukee, WI: more DSL coverage, faster speeds
- Sharon Heights, Menlo Park, CA: more DSL coverage, faster speeds
- Ol Sun, Clifton, CO: more DSL coverage, faster speeds
- Newell, Charlotte, NC: more DSL coverage, faster speeds
- Boltons Landing, Charleston, SC: more DSL coverage, faster speeds
- Broadacres Homes, Athens, GA: more DSL coverage, faster speeds
- Downtown Hilo, Hilo, HI: more DSL coverage, faster speeds


