In 95621 there are 3 residential Fiber providers covering 30.20% of the zip. The average home can get speeds up to 2,377 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 95621, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 95621, CA please click below.
Fiber Internet Service Providers in 95621
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 95621 are not shown.
95621 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 95621 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 30.20% of 95621. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Fidium. Call one of the companies with service in 95621 above to see who has service at your home.
How fast is fiber internet in 95621?
The map below shows maximum fiber internet speeds by area in 95621.
Fiber Internet Speed Key
The average 95621 home can get up to 2,377 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 3.86% 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 1,500 Mbps. See the internet provider details below for info about their speed and coverage in 95621.
Fiber internet speeds tend to be faster in the southeast parts of 95621, and slower in the northwest areas of the zip.
Is fiber the fastest internet I can get in 95621?
The fastest internet for you may vary based on where in 95621 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 29.81% of 95621 homes.
- Cable is fastest for 70.19% 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 95621 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 95621, along with details on where in 95621 and at what speeds.
Fidium Fiber Fiber in 95621, CA
Fidium fiber coverage
About 27.98%, or 11,834 people, have Fidium fiber internet available to them in the zip. The company covers the northwest, north, west, central, southwest, and east 95621 area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 95621.
Fidium Fiber fiber download speeds
Fidium is above average when comparing download speeds to all other internet providers in 95621. Versus other fiber providers in the area, Fidium fiber is below average. There are no different maximum speeds throughout 95621. The fastest plan anyone in 95621 can order from Fidium goes up to 2,000 Mbps, and all 95621 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Fidium Fiber fiber upload speeds
In 95621 download speeds tend to be equal to than upload speeds for Fidium fiber. Compared to other ISPs, Fidium is above average where upload speeds are concerned, and below average compared to other 95621 fiber providers. Fidium offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 95621 is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
EarthLink Fiber in 95621, CA
EarthLink fiber coverage
About 3.86%, or 1,632 people, have EarthLink fiber internet available to them in the zip. The company covers the southwest and southeast 95621 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 95621.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in 95621. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout 95621. The fastest plan anyone in 95621 can order from EarthLink goes up to 5,000 Mbps, and all 95621 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In 95621 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 95621 fiber providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 95621 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in 95621, CA
AT&T fiber coverage
About 3.86%, or 1,632 people, have AT&T fiber internet available to them in the zip. The company covers the southwest and southeast 95621 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 95621.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in 95621. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are no different maximum speeds throughout 95621. The fastest plan anyone in 95621 can order from AT&T goes up to 5,000 Mbps, and all 95621 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In 95621 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 95621 fiber providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 95621 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
95621 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 95621 or any of the areas nearby.
How does fiber internet in 95621 compare to the rest of California?
Fiber internet speeds in 95621 are much faster versus the average speeds in California: 0.00 Mbps in California versus 2,377 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in California is 0.00% versus 30.20% in 95621.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 95621 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
- 95610, CA: less fiber coverage, faster speeds
- 95842, CA: less fiber coverage, faster speeds
- 95841, CA: more fiber coverage, faster speeds
- 95843, CA: more fiber coverage, slower speeds
- 95660, CA: more fiber coverage, faster speeds
- 95628, CA: more fiber coverage, faster speeds
- 95661, CA: more fiber coverage, slower speeds
- 95652, CA: more fiber coverage, slower speeds
- 95662, CA: more fiber coverage, faster speeds
- 95608, CA: more fiber coverage, faster speeds
Zip Codes with Similar Populations
- 01085, MA: more fiber coverage, slower speeds
- 01420, MA: more fiber coverage, slower speeds
- 01752, MA: more fiber coverage, slower speeds
- 01915, MA: more fiber coverage, slower speeds
- 07032, NJ: more fiber coverage, slower speeds
- 78230, TX: more fiber coverage, faster speeds
- 80501, CO: more fiber coverage, faster speeds
- 80401, CO: more fiber coverage, slower speeds
- 80221, CO: more fiber coverage, slower speeds
- 80014, CO: more fiber coverage, faster speeds