In 94591 there are 4 residential Fiber providers covering 59.27% of the zip. The average home can get speeds up to 4,101 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 94591, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 94591, CA please click below.
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Fiber Internet Service Providers in 94591
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 94591 are not shown.
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94591 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
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Where in 94591 is fiber internet available?
Fiber Internet Availability Key
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Fiber is available in 59.27% of 94591. 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 94591 above to see who has service at your home.
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How fast is fiber internet in 94591?
The map below shows maximum fiber internet speeds by area in 94591.
Fiber Internet Speed Key
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The average 94591 home can get up to 4,101 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 7.54% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 22.74% 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 94591.
Fiber internet speeds tend to be faster in the west parts of 94591, and slower in the north areas of the zip.
Is fiber the fastest internet I can get in 94591?
The fastest internet for you may vary based on where in 94591 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 36.53% of 94591 homes.
- Cable is fastest for 63.40% 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 94591 homes.
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Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 94591, along with details on where in 94591 and at what speeds.
EarthLink Fiber in 94591, CA
EarthLink fiber coverage
About 42.74%, or 24,063 people, have EarthLink fiber internet available to them in the zip. The company covers the entire 94591 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of 94591.
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EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 94591. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout 94591. The fastest plan anyone in 94591 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 94591 customers is up to 4,391 Mbps.
Show all download speeds
- 84.8% up to 5,000.0 Mbps
- 15.2% up to 1,000.0 Mbps
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EarthLink fiber upload speeds
In 94591 download speeds tend to be equal to 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 94591 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 94591 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 4,391 Mbps.
Show all upload speeds
- 84.8% up to 5,000.0 Mbps
- 15.2% up to 1,000.0 Mbps
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AT&T Fiber in 94591, CA
AT&T fiber coverage
About 42.74%, or 24,063 people, have AT&T fiber internet available to them in the zip. The company covers the entire 94591 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of 94591.
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AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in 94591. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout 94591. The fastest plan anyone in 94591 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 94591 customers is up to 4,391 Mbps.
Show all download speeds
- 84.8% up to 5,000.0 Mbps
- 15.2% up to 1,000.0 Mbps
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AT&T fiber upload speeds
In 94591 download speeds tend to be equal to 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 94591 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 94591 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 4,391 Mbps.
Show all upload speeds
- 84.8% up to 5,000.0 Mbps
- 15.2% up to 1,000.0 Mbps
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Smart Fiber Networks Fiber in 94591, CA
Smart Fiber Networks fiber coverage
About 36.48%, or 20,542 people, have Smart Fiber Networks fiber internet available to them in the zip. The company covers the entire 94591 area. Smart Fiber Networks is a large internet service provider internet service providers in the US, with internet service available in some of 94591.
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Smart Fiber Networks fiber download speeds
Smart Fiber Networks is below average when comparing download speeds to all other internet providers in 94591. Versus other fiber providers in the area, Smart Fiber Networks fiber is one of the slowest. There are no different maximum speeds throughout 94591. The fastest plan anyone in 94591 can order from Smart Fiber Networks goes up to 1,000 Mbps, and all 94591 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
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Smart Fiber Networks fiber upload speeds
In 94591 download speeds tend to be equal to than upload speeds for Smart Fiber Networks fiber. Compared to other ISPs, Smart Fiber Networks is below average where upload speeds are concerned, and one of the slowest compared to other 94591 fiber providers. Smart Fiber Networks offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 94591 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
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Sonic Fiber in 94591, CA
Sonic fiber coverage
About 7.54%, or 4,245 people, have Sonic fiber internet available to them in the zip. The company covers the west, south, southwest, and central 94591 area. Sonic is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 94591.
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Sonic fiber download speeds
Sonic is the fastest when comparing download speeds to all other internet providers in 94591. Versus other fiber providers in the area, Sonic fiber is the fastest. There are no different maximum speeds throughout 94591. The fastest plan anyone in 94591 can order from Sonic goes up to 10,000 Mbps, and all 94591 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
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Sonic fiber upload speeds
In 94591 download speeds tend to be equal to than upload speeds for Sonic fiber. Compared to other ISPs, Sonic is the fastest where upload speeds are concerned, and the fastest compared to other 94591 fiber providers. Sonic offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 94591 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
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94591 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 94591 or any of the areas nearby.
How does fiber internet in 94591 compare to the rest of California?
Fiber internet speeds in 94591 are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,101 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in California is 0.00% versus 59.27% in 94591.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 94591 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
- 94590, CA: more fiber coverage, faster speeds
- 94589, CA: less fiber coverage, slower speeds
- 94592, CA: more fiber coverage, slower speeds
- 94510, CA: less fiber coverage, faster speeds
- 94525, CA: more fiber coverage, faster speeds
- 94503, CA: less fiber coverage, faster speeds
- 94572, CA: less fiber coverage, faster speeds
- 94547, CA: less fiber coverage, faster speeds
- 94534, CA: less fiber coverage, slower speeds
- 94559, CA: more fiber coverage, faster speeds
Zip Codes with Similar Populations
- 85705, AZ: less fiber coverage, faster speeds
- 21061, MD: more fiber coverage, slower speeds
- 27410, NC: more fiber coverage, faster speeds
- 29485, SC: more fiber coverage, slower speeds
- 30519, GA: more fiber coverage, faster speeds
- 31419, GA: more fiber coverage, faster speeds
- 76010, TX: more fiber coverage, faster speeds
- 76549, TX: more fiber coverage, slower speeds
- 77015, TX: more fiber coverage, faster speeds
- 77072, TX: more fiber coverage, faster speeds
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