In 91790 there is 1 residential DSL provider covering 7.29% of the zip. 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 91790, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 91790, CA please click below.
DSL Internet Service Provider in 91790
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 91790 are not shown.
91790 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 91790 is DSL internet available?
DSL Internet Availability Key
DSL is available in 7.29% of 91790. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in 91790 above to see who has service at your home.
How fast is DSL internet in 91790?
The map below shows maximum DSL internet speeds by area in 91790.
DSL Internet Speed Key
The average 91790 home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 10 Mbps, which 7.29% of residents can get.
Is DSL the fastest internet I can get in 91790?
The fastest internet for you may vary based on where in 91790 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 88.90% of 91790 homes.
- Cable is fastest for 10.78% of the zip.
- 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 91790 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 91790, along with details on where in 91790 and at what speeds.
Frontier Communications DSL in 91790, CA
Frontier DSL coverage
About 7.29%, or 3,398 people, have Frontier DSL internet available to them in the zip. The company covers the north, southwest, northwest, south, southeast, and central 91790 area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 91790.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in 91790. Versus other DSL providers in the area, Frontier DSL is the fastest. There are no different maximum speeds throughout 91790. The fastest plan anyone in 91790 can order from Frontier goes up to 10 Mbps, and all 91790 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In 91790 download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other 91790 DSL providers. Frontier offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 91790 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
91790 DSL by Area
This information is most helpful to those looking for homes or considering moving to 91790 or any of the areas nearby.
How does DSL internet in 91790 compare to the rest of California?
DSL internet speeds in 91790 are much faster versus the average speeds in California: 0.00 Mbps in California versus 10 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in California is 0.00% versus 7.29% in 91790.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 91790 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
- 91706, CA: more DSL coverage, faster speeds
- 91791, CA: more DSL coverage, faster speeds
- 91744, CA: more DSL coverage, faster speeds
- 91722, CA: more DSL coverage, similar speeds
- 91746, CA: less DSL coverage, similar speeds
- 91723, CA: more DSL coverage, faster speeds
- 91792, CA: more DSL coverage, similar speeds
- 91732, CA: more DSL coverage, faster speeds
- 91702, CA: more DSL coverage, faster speeds
- 91724, CA: less DSL coverage, similar speeds
Zip Codes with Similar Populations
- 00745, PR: more DSL coverage, faster speeds
- 98837, WA: more DSL coverage, faster speeds
- 84062, UT: more DSL coverage, faster speeds
- 85224, AZ: more DSL coverage, faster speeds
- 83401, ID: more DSL coverage, faster speeds
- 80526, CO: more DSL coverage, faster speeds
- 80123, CO: more DSL coverage, faster speeds
- 78840, TX: less DSL coverage, faster speeds
- 78414, TX: more DSL coverage, faster speeds
- 78227, TX: more DSL coverage, faster speeds