Click if you were looking for Castro Valley cell phone providers and coverage instead.
In Castro Valley there are 6 residential Fixed Wireless providers covering 99.38% of the city. The average home can get speeds up to 292 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 Fixed Wireless internet providers in Castro Valley, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Castro Valley, CA please click below.
Castro Valley, CA Availability Maps
Fixed Wireless Internet Service Providers in Castro Valley
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 Castro Valley are not shown.
Castro Valley 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 Castro Valley is fixed wireless internet available?
Fixed Wireless Internet Availability Key
Fixed Wireless is available in 99.38% of Castro Valley. Areas in green have fixed wireless internet service, where areas in yellow or red may not. The most widely available provider is Verizon. Call one of the companies with service in Castro Valley above to see who has service at your home.
How fast is fixed wireless internet in Castro Valley?
The map below shows maximum fixed wireless internet speeds by area in Castro Valley.
Fixed Wireless Internet Speed Key
The average Castro Valley home can get up to 292 Mbps on their fixed wireless internet plan. The fastest fixed wireless download speed in the city is 300 Mbps, which 93.12% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Castro Valley.
Fixed Wireless internet speeds tend to be faster in the south parts of Castro Valley, and slower in the northwest areas of the city.
Is fixed wireless the fastest internet I can get in Castro Valley?
The fastest internet for you may vary based on where in Castro Valley you live. In general, fiber competes most often with fixed wireless in the city.
- Fiber is the fastest internet type for 83.62% of Castro Valley homes.
- Cable is fastest for 15.00% 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 Castro Valley homes.
Fixed Wireless Providers in Depth
Below you'll find which TV and internet providers offer service in Castro Valley, along with details on where in Castro Valley and at what speeds.
T-Mobile Home Internet Fixed Wireless in Castro Valley, CA
T-Mobile Home Internet fixed wireless coverage
About 98.74%, or 64,377 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Castro Valley area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castro Valley.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Castro Valley. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Castro Valley. The fastest plan anyone in Castro Valley can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Castro Valley customers is up to 83 Mbps.
Show all download speeds
- 76.7% up to 100.0 Mbps
- 23.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Castro Valley download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Castro Valley fixed wireless providers. T-Mobile Home Internet offers 2 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 Castro Valley is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 16 Mbps.
Show all upload speeds
- 76.7% up to 20.0 Mbps
- 23.3% up to 3.0 Mbps
Verizon Fixed Wireless in Castro Valley, CA
Verizon fixed wireless coverage
About 88.96%, or 58,002 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Castro Valley area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castro Valley.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Castro Valley. Versus other fixed wireless providers in the area, Verizon fixed wireless is one of the fastest. There are no different maximum speeds throughout Castro Valley. The fastest plan anyone in Castro Valley can order from Verizon goes up to 300 Mbps, and all Castro Valley customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Castro Valley download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Castro Valley fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castro Valley is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Etheric Networks Fixed Wireless in Castro Valley, CA
Etheric Networks fixed wireless coverage
About 86.65%, or 56,496 people, have Etheric Networks fixed wireless internet available to them in the city. The company covers the entire Castro Valley area. Etheric Networks is a large internet service provider internet service providers in the US, with internet service available in most of Castro Valley.
Etheric Networks fixed wireless download speeds
Etheric Networks is below average when comparing download speeds to all other internet providers in Castro Valley. Versus other fixed wireless providers in the area, Etheric Networks fixed wireless is above average. There are no different maximum speeds throughout Castro Valley. The fastest plan anyone in Castro Valley can order from Etheric Networks goes up to 250 Mbps, and all Castro Valley customers can get this speed.
Show all download speeds
- 100.0% up to 250.0 Mbps
Etheric Networks fixed wireless upload speeds
In Castro Valley download speeds tend to be faster than than upload speeds for Etheric Networks fixed wireless. Compared to other ISPs, Etheric Networks is below average where upload speeds are concerned, and the fastest compared to other Castro Valley fixed wireless providers. Etheric Networks offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castro Valley is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
EarthLink Fixed Wireless in Castro Valley, CA
EarthLink fixed wireless coverage
About 72.79%, or 47,457 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Castro Valley area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Castro Valley.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Castro Valley. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Castro Valley. The fastest plan anyone in Castro Valley can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Castro Valley customers is up to 48 Mbps.
Show all download speeds
- 31.1% up to 100.0 Mbps
- 68.9% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Castro Valley 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 Castro Valley fixed wireless providers. EarthLink offers 2 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 Castro Valley is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 8.3 Mbps.
Show all upload speeds
- 31.1% up to 20.0 Mbps
- 68.9% up to 3.0 Mbps
AT&T Fixed Wireless in Castro Valley, CA
AT&T fixed wireless coverage
About 72.79%, or 47,457 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Castro Valley area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Castro Valley.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Castro Valley. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Castro Valley. The fastest plan anyone in Castro Valley can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Castro Valley customers is up to 48 Mbps.
Show all download speeds
- 31.1% up to 100.0 Mbps
- 68.9% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Castro Valley 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 Castro Valley fixed wireless providers. AT&T offers 2 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 Castro Valley is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 8.3 Mbps.
Show all upload speeds
- 31.1% up to 20.0 Mbps
- 68.9% up to 3.0 Mbps
Unwired Fixed Wireless in Castro Valley, CA
Unwired fixed wireless coverage
About 61.60%, or 40,159 people, have Unwired fixed wireless internet available to them in the city. The company covers the entire Castro Valley area. Unwired is a large internet service provider internet service providers in the US, with internet service available in a majority of Castro Valley.
Unwired fixed wireless download speeds
Unwired is below average when comparing download speeds to all other internet providers in Castro Valley. Versus other fixed wireless providers in the area, Unwired fixed wireless is one of the fastest. There are no different maximum speeds throughout Castro Valley. The fastest plan anyone in Castro Valley can order from Unwired goes up to 300 Mbps, and all Castro Valley customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Unwired fixed wireless upload speeds
In Castro Valley download speeds tend to be faster than than upload speeds for Unwired fixed wireless. Compared to other ISPs, Unwired is below average where upload speeds are concerned, and below average compared to other Castro Valley fixed wireless providers. Unwired offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castro Valley is up to 25 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 25.0 Mbps
Castro Valley Fixed Wireless by Area
This information is most helpful to those looking for homes or considering moving to Castro Valley or any of the areas nearby.
How does fixed wireless internet in Castro Valley compare to the rest of California?
Fixed Wireless internet speeds in Castro Valley are much faster versus the average speeds in California: 0.00 Mbps in California versus 292 Mbps in the city. The state has similar fixed wireless availability compared to the city. Average fixed wireless coverage in California is 0.00% versus 99.38% in Castro Valley.
What zip codes have fixed wireless internet?
Fixed Wireless internet coverage varies by zip code and neighborhood. Some examples in or around Castro Valley are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fixed wireless 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
- Fairview, CA: more fixed wireless coverage, faster speeds
- Ashland, CA: more fixed wireless coverage, faster speeds
- Cherryland, CA: more fixed wireless coverage, faster speeds
- San Lorenzo, CA: less fixed wireless coverage, faster speeds
- Hayward, CA: more fixed wireless coverage, faster speeds
- San Leandro, CA: more fixed wireless coverage, faster speeds
- San Ramon, CA: more fixed wireless coverage, faster speeds
- Dublin, CA: less fixed wireless coverage, faster speeds
- Danville, CA: more fixed wireless coverage, faster speeds
- Oakland, CA: less fixed wireless coverage, faster speeds
Cities with Similar Populations
- Clermont, FL: less fixed wireless coverage, slower speeds
- Martinsburg, WV: more fixed wireless coverage, slower speeds
- Brentwood, CA: more fixed wireless coverage, faster speeds
- Burnsville, MN: more fixed wireless coverage, slower speeds
- Casper, WY: more fixed wireless coverage, slower speeds
- La Habra, CA: less fixed wireless coverage, slower speeds
- Niagara Falls, NY: less fixed wireless coverage, faster speeds
- Hanford, CA: less fixed wireless coverage, faster speeds
- Powder Springs, GA: less fixed wireless coverage, slower speeds
- Mayaguez, PR: more fixed wireless coverage, faster speeds