In Alum Rock there are 2 residential DSL providers covering 79.39% of the city. The average home can get speeds up to 67 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 Alum Rock, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Alum Rock, CA please click below.
Alum Rock, CA Availability Maps
DSL Internet Service Providers in Alum Rock
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 Alum Rock are not shown.
Alum Rock 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 Alum Rock is DSL internet available?
DSL Internet Availability Key
DSL is available in 79.39% of Alum Rock. 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 Alum Rock above to see who has service at your home.
How fast is DSL internet in Alum Rock?
The map below shows maximum DSL internet speeds by area in Alum Rock.
DSL Internet Speed Key
The average Alum Rock home can get up to 67 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 29.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 7.56% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Alum Rock.
DSL internet speeds tend to be faster in the northeast parts of Alum Rock, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Alum Rock?
The fastest internet for you may vary based on where in Alum Rock you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 99.91% of Alum Rock homes.
- Cable is fastest for less than 1% 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 Alum Rock homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Alum Rock, along with details on where in Alum Rock and at what speeds.
AT&T DSL in Alum Rock, CA
AT&T DSL coverage
About 79.39%, or 16,437 people, have AT&T DSL internet available to them in the city. The company covers the entire Alum Rock area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Alum Rock.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Alum Rock. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Alum Rock. The fastest plan anyone in Alum Rock 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 Alum Rock customers is up to 67 Mbps.
Show all download speeds
- 37.7% up to 100.0 Mbps
- 14.4% up to 75.0 Mbps
- 30.3% up to 50.0 Mbps
- 8.1% up to 25.0 Mbps
- 9.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Alum Rock 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 Alum Rock 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 Alum Rock 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 14 Mbps.
Show all upload speeds
- 52.1% up to 20.0 Mbps
- 30.3% up to 10.0 Mbps
- 8.1% up to 5.0 Mbps
- 9.5% up to 1.0 Mbps
EarthLink DSL in Alum Rock, CA
EarthLink DSL coverage
About 79.39%, or 16,437 people, have EarthLink DSL internet available to them in the city. The company covers the entire Alum Rock area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Alum Rock.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Alum Rock. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Alum Rock. The fastest plan anyone in Alum Rock 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 Alum Rock customers is up to 67 Mbps.
Show all download speeds
- 37.7% up to 100.0 Mbps
- 14.4% up to 75.0 Mbps
- 30.3% up to 50.0 Mbps
- 8.1% up to 25.0 Mbps
- 9.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Alum Rock 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 Alum Rock 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 Alum Rock 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 14 Mbps.
Show all upload speeds
- 52.1% up to 20.0 Mbps
- 30.3% up to 10.0 Mbps
- 8.1% up to 5.0 Mbps
- 9.5% up to 1.0 Mbps
Alum Rock DSL by Area
This information is most helpful to those looking for homes or considering moving to Alum Rock or any of the areas nearby.
How does DSL internet in Alum Rock compare to the rest of California?
DSL internet speeds in Alum Rock are much faster versus the average speeds in California: 0.00 Mbps in California versus 67 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 79.39% in Alum Rock.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Alum Rock 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
- Mount Hamilton, CA: less DSL coverage, faster speeds
- San Jose, CA: more DSL coverage, faster speeds
- Milpitas, CA: more DSL coverage, faster speeds
- Santa Clara, CA: more DSL coverage, faster speeds
- Alviso, CA: less DSL coverage, faster speeds
- Campbell, CA: more DSL coverage, faster speeds
- Sunnyvale, CA: more DSL coverage, faster speeds
- Cupertino, CA: more DSL coverage, faster speeds
- Monte Sereno, CA: less DSL coverage, slower speeds
- Saratoga, CA: more DSL coverage, faster speeds
Cities with Similar Populations
- Brigham City, UT: more DSL coverage, slower speeds
- Broomall, PA: less DSL coverage, slower speeds
- Greenfield, CA: more DSL coverage, slower speeds
- Rocky River, OH: more DSL coverage, faster speeds
- North Myrtle Beach, SC: less DSL coverage, slower speeds
- Camden, SC: more DSL coverage, slower speeds
- St. Joseph, MI: more DSL coverage, faster speeds
- Orocovis, PR: less DSL coverage, slower speeds
- Lake Placid, FL: more DSL coverage, slower speeds
- Jasmine Estates, FL: less DSL coverage, slower speeds