In California there are 6 residential Fiber providers covering 56.12% of the state. The average home can get speeds up to 5,328 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 California.
To see availability maps for all providers including fiber, cable, DSL, and more in California please click below.
Fiber Internet Service Providers in California
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 California are not shown.
California 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 California is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 56.12% of California. 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 California above to see who has service at your home.
How fast is fiber internet in California?
The map below shows maximum fiber internet speeds by area in California.
Fiber Internet Speed Key
The average California home can get up to 5,328 Mbps on their fiber internet plan. The fastest fiber download speed in the state is 25,000 Mbps, which less than 1% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in California.
Fiber internet speeds tend to be faster in the east parts of California, and slower in the north areas of the state.
Is fiber the fastest internet I can get in California?
The fastest internet for you may vary based on where in California you live. In general, cable competes most often with fiber in the state.
- Fiber is the fastest internet type for 52.58% of California homes.
- Cable is fastest for 40.44% of the state.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 5.55%.
- Satellite internet may be the only option for 1.27% of California homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in California, along with details on where in California and at what speeds.
EarthLink Fiber in California
EarthLink fiber coverage
About 31.56%, or 12,479,045 people, have EarthLink fiber internet available to them in the state. The company covers the entire California area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of California.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in California. Versus other fiber providers in the area, EarthLink fiber is above average. There are 5 different maximum speeds throughout California. The fastest plan anyone in California can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the state-wide average maximum speed for California customers is up to 4,425 Mbps.
Show all download speeds
- 85.6% up to 5,000.0 Mbps
- 14.3% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 10.0 Mbps
EarthLink fiber upload speeds
In California download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other California fiber providers. EarthLink offers 5 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in California is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 4,425 Mbps.
Show all upload speeds
- 85.6% up to 5,000.0 Mbps
- 14.3% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 1.0 Mbps
AT&T Fiber in California
AT&T fiber coverage
About 31.56%, or 12,479,045 people, have AT&T fiber internet available to them in the state. The company covers the entire California area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of California.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in California. Versus other fiber providers in the area, AT&T fiber is above average. There are 5 different maximum speeds throughout California. The fastest plan anyone in California can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the state-wide average maximum speed for California customers is up to 4,425 Mbps.
Show all download speeds
- 85.6% up to 5,000.0 Mbps
- 14.3% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 10.0 Mbps
AT&T fiber upload speeds
In California download speeds tend to be faster than than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other California fiber providers. AT&T offers 5 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in California is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 4,425 Mbps.
Show all upload speeds
- 85.6% up to 5,000.0 Mbps
- 14.3% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 1.0 Mbps
Frontier Communications Fiber in California
Frontier fiber coverage
About 19.25%, or 7,612,165 people, have Frontier fiber internet available to them in the state. The company covers the entire California area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of California.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in California. Versus other fiber providers in the area, Frontier fiber is above average. There are 14 different maximum speeds throughout California. The fastest plan anyone in California can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 10 Mbps, and the state-wide average maximum speed for California customers is up to 6,420 Mbps.
Show all download speeds
- 73.9% up to 7,000.0 Mbps
- 24.2% up to 5,000.0 Mbps
- 0.0% up to 4,000.0 Mbps
- 0.0% up to 3,000.0 Mbps
- 1.4% up to 2,000.0 Mbps
- 0.2% up to 1,000.0 Mbps
- 0.0% up to 300.0 Mbps
- 0.0% up to 200.0 Mbps
- 0.1% up to 100.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 35.0 Mbps
- 0.0% up to 30.0 Mbps
- 0.0% up to 25.0 Mbps
- 0.0% up to 10.0 Mbps
Frontier Communications fiber upload speeds
In California download speeds tend to be faster than than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other California fiber providers. Frontier offers 15 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in California is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 6,420 Mbps.
Show all upload speeds
- 73.9% up to 7,000.0 Mbps
- 24.2% up to 5,000.0 Mbps
- 0.0% up to 4,000.0 Mbps
- 0.0% up to 3,000.0 Mbps
- 1.4% up to 2,000.0 Mbps
- 0.2% up to 1,000.0 Mbps
- 0.0% up to 300.0 Mbps
- 0.0% up to 200.0 Mbps
- 0.1% up to 100.0 Mbps
- 0.0% up to 50.0 Mbps
- 0.0% up to 25.0 Mbps
- 0.0% up to 15.0 Mbps
- 0.0% up to 10.0 Mbps
- 0.0% up to 5.0 Mbps
- 0.0% up to 1.0 Mbps
Sonic Fiber in California
Sonic fiber coverage
About 4.93%, or 1,950,270 people, have Sonic fiber internet available to them in the state. The company covers the northwest, west, and south California area. Sonic is a large internet service provider internet service providers in the US, with internet service available in a very small piece of California.
Sonic fiber download speeds
Sonic is above average when comparing download speeds to all other internet providers in California. Versus other fiber providers in the area, Sonic fiber is above average. There are 2 different maximum speeds throughout California. The fastest plan anyone in California can order from Sonic goes up to 10,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the state-wide average maximum speed for California customers is up to 6,928 Mbps.
Show all download speeds
- 65.9% up to 10,000.0 Mbps
- 34.1% up to 1,000.0 Mbps
Sonic fiber upload speeds
In California download speeds tend to be equal to than upload speeds for Sonic fiber. Compared to other ISPs, Sonic is above average where upload speeds are concerned, and above average compared to other California fiber providers. Sonic offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in California is up to 10,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Sonic customers can get speeds up to 6,928 Mbps.
Show all upload speeds
- 65.9% up to 10,000.0 Mbps
- 34.1% up to 1,000.0 Mbps
Fidium Fiber Fiber in California
Fidium fiber coverage
About 1.36%, or 538,912 people, have Fidium fiber internet available to them in the state. The company covers the northwest and north California area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of California.
Fidium Fiber fiber download speeds
Fidium is above average when comparing download speeds to all other internet providers in California. Versus other fiber providers in the area, Fidium fiber is below average. There are 3 different maximum speeds throughout California. The fastest plan anyone in California can order from Fidium goes up to 2,000 Mbps, the slowest package only goes up to 250 Mbps, and the state-wide average maximum speed for California customers is up to 1,701 Mbps.
Show all download speeds
- 70.1% up to 2,000.0 Mbps
- 29.9% up to 1,000.0 Mbps
- 0.0% up to 250.0 Mbps
Fidium Fiber fiber upload speeds
In California 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 California fiber providers. Fidium offers 3 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in California is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 250 Mbps. On average, Fidium customers can get speeds up to 1,701 Mbps.
Show all upload speeds
- 70.1% up to 2,000.0 Mbps
- 29.9% up to 1,000.0 Mbps
- 0.0% up to 250.0 Mbps
Race Communications Fiber in California
Race Communications fiber coverage
About 1.24%, or 488,872 people, have Race Communications fiber internet available to them in the state. The company covers the east, central, northwest, southeast, north, and south California area. Race Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of California.
Race Communications fiber download speeds
Race Communications is above average when comparing download speeds to all other internet providers in California. Versus other fiber providers in the area, Race Communications fiber is above average. There are 2 different maximum speeds throughout California. The fastest plan anyone in California can order from Race Communications goes up to 10,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the state-wide average maximum speed for California customers is up to 4,105 Mbps.
Show all download speeds
- 34.5% up to 10,000.0 Mbps
- 65.5% up to 1,000.0 Mbps
Race Communications fiber upload speeds
In California download speeds tend to be equal to than upload speeds for Race Communications fiber. Compared to other ISPs, Race Communications is above average where upload speeds are concerned, and above average compared to other California fiber providers. Race Communications offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in California is up to 10,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Race Communications customers can get speeds up to 4,105 Mbps.
Show all upload speeds
- 34.5% up to 10,000.0 Mbps
- 65.5% up to 1,000.0 Mbps
California Fiber by Area
This information is most helpful to those looking for homes or considering moving to California or any of the areas nearby.
How does fiber internet in California compare to the rest of the United States?
Fiber internet speeds in California are much faster versus the average speeds in the United States: 0.00 Mbps in the United States versus 5,328 Mbps in the state. The nation has similar fiber availability compared to the state. Average fiber coverage in the United States is 0.00% versus 56.12% in California.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around California 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 states?
Below are states nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby States
- Nevada: less fiber coverage, slower speeds
- Arizona: less fiber coverage, slower speeds
- Utah: more fiber coverage, faster speeds
- Oregon: more fiber coverage, slower speeds
- Idaho: less fiber coverage, slower speeds
- New Mexico: less fiber coverage, slower speeds
- Washington: less fiber coverage, slower speeds
- Colorado: more fiber coverage, slower speeds
- Wyoming: less fiber coverage, slower speeds
- Montana: less fiber coverage, slower speeds
States with Similar Populations
- Alaska: less fiber coverage, slower speeds
- Hawaii: more fiber coverage, slower speeds
- Puerto Rico: more fiber coverage, slower speeds
- Arkansas: more fiber coverage, slower speeds
- Florida: more fiber coverage, slower speeds
- Louisiana: more fiber coverage, slower speeds
- Maine: more fiber coverage, slower speeds
- Massachusetts: more fiber coverage, slower speeds
- Minnesota: more fiber coverage, slower speeds
- Montana: less fiber coverage, slower speeds