In 93644 there is 1 residential DSL provider covering 99.17% of the zip. The average home can get speeds up to 40 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 93644, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 93644, CA please click below.
DSL Internet Service Provider in 93644
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 93644 are not shown.
93644 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 93644 is DSL internet available?

DSL Internet Availability Key
DSL is available in 99.17% of 93644. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Sierra Tel. Call one of the companies with service in 93644 above to see who has service at your home.
How fast is DSL internet in 93644?
The map below shows maximum DSL internet speeds by area in 93644.

DSL Internet Speed Key
The average 93644 home can get up to 40 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 50 Mbps, which 62.89% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.76% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 93644.
DSL internet speeds tend to be faster in the southwest parts of 93644, and slower in the northwest areas of the zip.
Is DSL the fastest internet I can get in 93644?
The fastest internet for you may vary based on where in 93644 you live. In general, cable competes most often with DSL in the zip.
- Fiber is the fastest internet type for 3.16% of 93644 homes.
- Cable is fastest for 92.27% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.51%.
- Satellite internet may be the only option for less than 1% of 93644 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 93644, along with details on where in 93644 and at what speeds.
Sierra Tel DSL in 93644, CA

Sierra Tel DSL coverage
About 99.17%, or 7,723 people, have Sierra Tel DSL internet available to them in the zip. The company covers the entire 93644 area. Sierra Tel is a large internet service provider internet service providers in the US, with internet service available in most of 93644.
Sierra Tel DSL download speeds
Sierra Tel is below average when comparing download speeds to all other internet providers in 93644. Versus other DSL providers in the area, Sierra Tel DSL is the fastest. There are 3 different maximum speeds throughout 93644. The fastest plan anyone in 93644 can order from Sierra Tel goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 93644 customers is up to 40 Mbps.
Show all download speeds
- 63.4% up to 50.0 Mbps
- 31.8% up to 25.0 Mbps
- 4.8% up to 10.0 Mbps
Sierra Tel DSL upload speeds
In 93644 download speeds tend to be faster than than upload speeds for Sierra Tel DSL. Compared to other ISPs, Sierra Tel is below average where upload speeds are concerned, and the fastest compared to other 93644 DSL providers. Sierra Tel offers 4 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 93644 is up to 25 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Sierra Tel customers can get speeds up to 17 Mbps.
Show all upload speeds
- 63.4% up to 25.0 Mbps
- 15.8% up to 5.0 Mbps
- 16.0% up to 3.0 Mbps
- 4.8% up to 1.0 Mbps
93644 DSL by Area
This information is most helpful to those looking for homes or considering moving to 93644 or any of the areas nearby.
How does DSL internet in 93644 compare to the rest of California?
DSL internet speeds in 93644 are much faster versus the average speeds in California: 0.00 Mbps in California versus 40 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in California is 0.00% versus 99.17% in 93644.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 93644 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
- 93604, CA: more DSL coverage, slower speeds
- 93601, CA: more DSL coverage, faster speeds
- 93669, CA: less DSL coverage, faster speeds
- 93623, CA: less DSL coverage, slower speeds
- 93614, CA: less DSL coverage, faster speeds
- 93643, CA: less DSL coverage, faster speeds
- 93653, CA: less DSL coverage, faster speeds
- 95338, CA: less DSL coverage, faster speeds
- 93605, CA: less DSL coverage, faster speeds
- 95306, CA: less DSL coverage, faster speeds
Zip Codes with Similar Populations
- 14445, NY: less DSL coverage, slower speeds
- 75182, TX: less DSL coverage, faster speeds
- 70437, LA: less DSL coverage, slower speeds
- 07921, NJ: less DSL coverage, slower speeds
- 86033, AZ: less DSL coverage, faster speeds
- 05482, VT: less DSL coverage, faster speeds
- 03885, NH: less DSL coverage, slower speeds
- 00690, PR: less DSL coverage, faster speeds
- 53130, WI: more DSL coverage, faster speeds
- 50707, IA: less DSL coverage, faster speeds


