In 92521 there are 6 residential internet providers covering 99.44% of the zip. The average home can get speeds up to 1,000 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.
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6 Internet Service Providers in 92521
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 92521 are not shown.
92521 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
Availability maps for all providers in 92521
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.44% of 92521. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Spectrum. Now you can call companies in 92521 with more confidence that they might be available.
How fast are internet speeds in 92521?
The map below shows maximum internet speeds by area in 92521.
Internet Speed Key
The average 92521 home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the zip is 1,000 Mbps, which 99.44% of residents can get.
What type of internet should I choose in 92521?
The fastest internet for you may vary based on where in 92521 you live. If speed is your main concern, cable will be the fastest internet in the zip.
- Fiber is the fastest internet type for less than 1% of 92521 homes.
- Cable is fastest for 99.44% 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 92521 homes.
Internet Market Health in 92521
Internet Competition Key
The map shows how competitive the 92521 internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in 92521 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.0 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.0 (healthy)
Overall, competition is healthy.
92521 internet customers have the ability to buy internet service from 6 providers, depending on where they live. For different types of service, 92521 homes have 3 options. The type(s) of service available are fixed wireless, dsl, and cable, though these may vary depending on the region within the zip.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. 92521 internet customers who want faster speeds have 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, 92521 is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 92521, along with details on where in 92521 and at what speeds.
Spectrum Cable in 92521, CA
Spectrum cable coverage
About 99.44%, or 2,997 people, have Spectrum cable internet available to them in the zip. The company covers the entire 92521 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of 92521.
Spectrum cable download speeds
Spectrum is the fastest when comparing download speeds to all other internet providers in 92521. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout 92521. The fastest plan anyone in 92521 can order from Spectrum goes up to 1,000 Mbps, and all 92521 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In 92521 download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is the fastest where upload speeds are concerned, and the fastest compared to other 92521 cable providers. Spectrum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 92521 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
AT&T DSL in 92521, CA
AT&T DSL coverage
About 99.44%, or 2,997 people, have AT&T DSL internet available to them in the zip. The company covers the entire 92521 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of 92521.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 92521. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout 92521. The fastest plan anyone in 92521 can order from AT&T goes up to 25 Mbps, and all 92521 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T DSL upload speeds
In 92521 download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is average where upload speeds are concerned, and one of the fastest compared to other 92521 DSL providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 92521 is up to 5.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5.0 Mbps
EarthLink DSL in 92521, CA
EarthLink DSL coverage
About 99.44%, or 2,997 people, have EarthLink DSL internet available to them in the zip. The company covers the entire 92521 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 92521.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 92521. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout 92521. The fastest plan anyone in 92521 can order from EarthLink goes up to 25 Mbps, and all 92521 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink DSL upload speeds
In 92521 download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is average where upload speeds are concerned, and one of the fastest compared to other 92521 DSL providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 92521 is up to 5.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5.0 Mbps
Verizon Fixed Wireless in 92521, CA
Verizon fixed wireless coverage
About 99.44%, or 2,997 people, have Verizon fixed wireless internet available to them in the zip. The company covers the entire 92521 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of 92521.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in 92521. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout 92521. The fastest plan anyone in 92521 can order from Verizon goes up to 300 Mbps, and all 92521 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 92521 download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is average where upload speeds are concerned, and the fastest compared to other 92521 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 92521 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in 92521, CA
EarthLink fixed wireless coverage
About 99.44%, or 2,997 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the entire 92521 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 92521.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 92521. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout 92521. The fastest plan anyone in 92521 can order from EarthLink goes up to 25 Mbps, and all 92521 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 92521 download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other 92521 fixed wireless providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 92521 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in 92521, CA
AT&T fixed wireless coverage
About 99.44%, or 2,997 people, have AT&T fixed wireless internet available to them in the zip. The company covers the entire 92521 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of 92521.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 92521. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout 92521. The fastest plan anyone in 92521 can order from AT&T goes up to 25 Mbps, and all 92521 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 92521 download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other 92521 fixed wireless providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 92521 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
92521 Internet by Area
This information is most helpful to those looking for homes or considering moving to 92521 or any of the areas nearby.
How does internet in 92521 compare to the rest of California?
Internet speeds in 92521 are much slower versus the average speeds in California: 3,631 Mbps in California versus 1,000 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in California is 98.73% versus 99.44% in 92521.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 92521 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service 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
- 92507, CA: less internet coverage, faster speeds
- 92501, CA: more internet coverage, faster speeds
- 92506, CA: more internet coverage, faster speeds
- 92313, CA: more internet coverage, faster speeds
- 92557, CA: more internet coverage, faster speeds
- 92508, CA: more internet coverage, faster speeds
- 92504, CA: more internet coverage, faster speeds
- 92553, CA: more internet coverage, faster speeds
- 92324, CA: more internet coverage, faster speeds
- 92350, CA: more internet coverage, similar speeds
Zip Codes with Similar Populations
- 12546, NY: more internet coverage, faster speeds
- 03046, NH: more internet coverage, faster speeds
- 98595, WA: more internet coverage, faster speeds
- 95428, CA: less internet coverage, faster speeds
- 88346, NM: less internet coverage, faster speeds
- 79068, TX: less internet coverage, faster speeds
- 65769, MO: less internet coverage, slower speeds
- 65281, MO: less internet coverage, slower speeds
- 63627, MO: more internet coverage, faster speeds
- 61536, IL: more internet coverage, slower speeds