In 96021 there are 3 residential DSL providers covering 77.88% of the zip. The average home can get speeds up to 19 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 96021, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 96021, CA please click below.
DSL Internet Service Providers in 96021
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 96021 are not shown.
96021 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 96021 is DSL internet available?
DSL Internet Availability Key
DSL is available in 77.88% of 96021. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is VARCOMM. Call one of the companies with service in 96021 above to see who has service at your home.
How fast is DSL internet in 96021?
The map below shows maximum DSL internet speeds by area in 96021.
DSL Internet Speed Key
The average 96021 home can get up to 19 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 100 Mbps, which 7.71% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 68.40% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 96021.
DSL internet speeds tend to be faster in the northwest parts of 96021, and slower in the central areas of the zip.
Is DSL the fastest internet I can get in 96021?
The fastest internet for you may vary based on where in 96021 you live. In general, cable competes most often with DSL in the zip.
- Fiber is the fastest internet type for 3.86% of 96021 homes.
- Cable is fastest for 49.62% of the zip.
- DSL is fastest for 1.90%.
- Fixed wireless is fastest for 44.43%.
- Satellite internet may be the only option for less than 1% of 96021 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 96021, along with details on where in 96021 and at what speeds.
AT&T DSL in 96021, CA
AT&T DSL coverage
About 68.20%, or 11,600 people, have AT&T DSL internet available to them in the zip. The company covers the entire 96021 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 96021.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 96021. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are no different maximum speeds throughout 96021. The fastest plan anyone in 96021 can order from AT&T goes up to 10 Mbps, and all 96021 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In 96021 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 96021 DSL providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 96021 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 96021, CA
EarthLink DSL coverage
About 68.20%, or 11,600 people, have EarthLink DSL internet available to them in the zip. The company covers the entire 96021 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 96021.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 96021. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are no different maximum speeds throughout 96021. The fastest plan anyone in 96021 can order from EarthLink goes up to 10 Mbps, and all 96021 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In 96021 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 96021 DSL providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 96021 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
VARCOMM DSL in 96021, CA
VARCOMM DSL coverage
About 9.68%, or 1,646 people, have VARCOMM DSL internet available to them in the zip. The company covers the northwest 96021 area. VARCOMM is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 96021.
VARCOMM DSL download speeds
VARCOMM is below average when comparing download speeds to all other internet providers in 96021. Versus other DSL providers in the area, VARCOMM DSL is the fastest. There are 3 different maximum speeds throughout 96021. The fastest plan anyone in 96021 can order from VARCOMM goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 96021 customers is up to 84 Mbps.
Show all download speeds
- 79.7% up to 100.0 Mbps
- 18.3% up to 25.0 Mbps
- 2.0% up to 10.0 Mbps
VARCOMM DSL upload speeds
In 96021 download speeds tend to be faster than than upload speeds for VARCOMM DSL. Compared to other ISPs, VARCOMM is below average where upload speeds are concerned, and the fastest compared to other 96021 DSL providers. VARCOMM offers 3 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 96021 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, VARCOMM customers can get speeds up to 17 Mbps.
Show all upload speeds
- 79.7% up to 20.0 Mbps
- 18.3% up to 3.0 Mbps
- 2.0% up to 1.0 Mbps
96021 DSL by Area
This information is most helpful to those looking for homes or considering moving to 96021 or any of the areas nearby.
How does DSL internet in 96021 compare to the rest of California?
DSL internet speeds in 96021 are much faster versus the average speeds in California: 0.00 Mbps in California versus 19 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in California is 0.00% versus 77.88% in 96021.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 96021 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 96090, CA: more DSL coverage, slower speeds
- 96035, CA: less DSL coverage, slower speeds
- 96092, CA: more DSL coverage, slower speeds
- 96055, CA: more DSL coverage, slower speeds
- 96078, CA: more DSL coverage, slower speeds
- 95954, CA: more DSL coverage, slower speeds
- 95428, CA: less DSL coverage, faster speeds
- 95934, CA: less DSL coverage, faster speeds
- 95971, CA: less DSL coverage, slower speeds
- 95983, CA: less DSL coverage, faster speeds
Zip Codes with Similar Populations
- 57501, SD: more DSL coverage, faster speeds
- 44706, OH: less DSL coverage, faster speeds
- 00917, PR: less DSL coverage, slower speeds
- 46011, IN: more DSL coverage, faster speeds
- 46303, IN: less DSL coverage, faster speeds
- 46774, IN: less DSL coverage, slower speeds
- 48302, MI: more DSL coverage, faster speeds
- 48912, MI: more DSL coverage, faster speeds
- 49431, MI: less DSL coverage, slower speeds
- 52002, IA: more DSL coverage, faster speeds