In 93921 there are 2 residential Fiber providers covering 10.78% of the zip. The average home can get speeds up to 2,979 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 Fiber internet providers in 93921, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 93921, CA please click below.
Fiber Internet Service Providers in 93921
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 93921 are not shown.
93921 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 93921 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 10.78% of 93921. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in 93921 above to see who has service at your home.
How fast is fiber internet in 93921?
The map below shows maximum fiber internet speeds by area in 93921.
Fiber Internet Speed Key
The average 93921 home can get up to 2,979 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 5.33% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.45% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 93921.
Fiber internet speeds tend to be faster in the northwest parts of 93921, and slower in the north areas of the zip.
Is fiber the fastest internet I can get in 93921?
The fastest internet for you may vary based on where in 93921 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 5.33% of 93921 homes.
- Cable is fastest for 94.59% 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 93921 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 93921, along with details on where in 93921 and at what speeds.
EarthLink Fiber in 93921, CA
EarthLink fiber coverage
About 10.78%, or 285 people, have EarthLink fiber internet available to them in the zip. The company covers the northeast, north, northwest, east, southeast, and southwest 93921 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 93921.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in 93921. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout 93921. The fastest plan anyone in 93921 can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 93921 customers is up to 2,979 Mbps.
Show all download speeds
- 49.5% up to 5,000.0 Mbps
- 50.5% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 93921 download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 93921 fiber providers. EarthLink offers 2 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 93921 is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 2,979 Mbps.
Show all upload speeds
- 49.5% up to 5,000.0 Mbps
- 50.5% up to 1,000.0 Mbps
AT&T Fiber in 93921, CA
AT&T fiber coverage
About 10.78%, or 285 people, have AT&T fiber internet available to them in the zip. The company covers the northeast, north, northwest, east, southeast, and southwest 93921 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 93921.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in 93921. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout 93921. The fastest plan anyone in 93921 can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 93921 customers is up to 2,979 Mbps.
Show all download speeds
- 49.5% up to 5,000.0 Mbps
- 50.5% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 93921 download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 93921 fiber providers. AT&T offers 2 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 93921 is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 2,979 Mbps.
Show all upload speeds
- 49.5% up to 5,000.0 Mbps
- 50.5% up to 1,000.0 Mbps
93921 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 93921 or any of the areas nearby.
How does fiber internet in 93921 compare to the rest of California?
Fiber internet speeds in 93921 are much faster versus the average speeds in California: 0.00 Mbps in California versus 2,979 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in California is 0.00% versus 10.78% in 93921.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 93921 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- 93923, CA: more fiber coverage, slower speeds
- 93953, CA: more fiber coverage, faster speeds
- 93940, CA: more fiber coverage, faster speeds
- 93950, CA: more fiber coverage, faster speeds
- 93955, CA: more fiber coverage, faster speeds
- 93933, CA: more fiber coverage, slower speeds
- 93924, CA: less fiber coverage, faster speeds
- 93908, CA: less fiber coverage, faster speeds
- 93962, CA: less fiber coverage, faster speeds
- 93901, CA: more fiber coverage, faster speeds
Zip Codes with Similar Populations
- 03869, NH: more fiber coverage, slower speeds
- 04974, ME: more fiber coverage, slower speeds
- 06384, CT: more fiber coverage, faster speeds
- 07606, NJ: more fiber coverage, faster speeds
- 13730, NY: more fiber coverage, slower speeds
- 14471, NY: more fiber coverage, slower speeds
- 15050, PA: more fiber coverage, slower speeds
- 26033, WV: more fiber coverage, faster speeds
- 26218, WV: less fiber coverage, faster speeds
- 61285, IL: more fiber coverage, slower speeds