In 94597 there are 5 residential Fiber providers covering 70.17% of the zip. The average home can get speeds up to 8,255 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 94597, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in 94597, CA please click below.
Fiber Internet Service Providers in 94597
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 94597 are not shown.
94597 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 94597 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 70.17% of 94597. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Sonic. Call one of the companies with service in 94597 above to see who has service at your home.
How fast is fiber internet in 94597?
The map below shows maximum fiber internet speeds by area in 94597.
Fiber Internet Speed Key
The average 94597 home can get up to 8,255 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 47.44% 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 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 94597.
Fiber internet speeds tend to be faster in the south parts of 94597, and slower in the northeast areas of the zip.
Is fiber the fastest internet I can get in 94597?
The fastest internet for you may vary based on where in 94597 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 67.70% of 94597 homes.
- Cable is fastest for 32.30% 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 94597 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 94597, along with details on where in 94597 and at what speeds.
EarthLink Fiber in 94597, CA
EarthLink fiber coverage
About 49.58%, or 12,013 people, have EarthLink fiber internet available to them in the zip. The company covers the northeast, central, west, north, east, southwest, and south 94597 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of 94597.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 94597. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout 94597. The fastest plan anyone in 94597 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 94597 customers is up to 4,972 Mbps.
Show all download speeds
- 99.3% up to 5,000.0 Mbps
- 0.7% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 94597 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 94597 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 94597 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 4,972 Mbps.
Show all upload speeds
- 99.3% up to 5,000.0 Mbps
- 0.7% up to 1,000.0 Mbps
AT&T Fiber in 94597, CA
AT&T fiber coverage
About 49.58%, or 12,013 people, have AT&T fiber internet available to them in the zip. The company covers the northeast, central, west, north, east, southwest, and south 94597 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of 94597.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in 94597. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout 94597. The fastest plan anyone in 94597 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 94597 customers is up to 4,972 Mbps.
Show all download speeds
- 99.3% up to 5,000.0 Mbps
- 0.7% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 94597 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 94597 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 94597 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 4,972 Mbps.
Show all upload speeds
- 99.3% up to 5,000.0 Mbps
- 0.7% up to 1,000.0 Mbps
Sonic Fiber in 94597, CA
Sonic fiber coverage
About 47.44%, or 11,495 people, have Sonic fiber internet available to them in the zip. The company covers the central, southwest, south, north, west, east, and southeast 94597 area. Sonic is a large internet service provider internet service providers in the US, with internet service available in some of 94597.
Sonic fiber download speeds
Sonic is the fastest when comparing download speeds to all other internet providers in 94597. Versus other fiber providers in the area, Sonic fiber is the fastest. There are no different maximum speeds throughout 94597. The fastest plan anyone in 94597 can order from Sonic goes up to 10,000 Mbps, and all 94597 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
Sonic fiber upload speeds
In 94597 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 94597 fiber providers. Sonic offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 94597 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
Astound Broadband Fiber in 94597, CA
Astound Broadband fiber coverage
About 5.39%, or 1,306 people, have Astound Broadband fiber internet available to them in the zip. The company covers the northeast, east, central, and southwest 94597 area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 94597.
Astound Broadband fiber download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in 94597. Versus other fiber providers in the area, Astound Broadband fiber is the slowest. There are no different maximum speeds throughout 94597. The fastest plan anyone in 94597 can order from Astound Broadband goes up to 1,500 Mbps, and all 94597 customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband fiber upload speeds
In 94597 download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is above average where upload speeds are concerned, and below average compared to other 94597 fiber providers. Astound Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 94597 is up to 1,500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,500.0 Mbps
XFINITY from Comcast Fiber in 94597, CA
XFINITY fiber coverage
About 4.32%, or 1,046 people, have XFINITY fiber internet available to them in the zip. The company covers the northeast and east 94597 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 94597.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in 94597. Versus other fiber providers in the area, XFINITY fiber is below average. There are no different maximum speeds throughout 94597. The fastest plan anyone in 94597 can order from XFINITY goes up to 2,000 Mbps, and all 94597 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In 94597 download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other 94597 fiber providers. XFINITY 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 94597 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 250 Mbps. On average, XFINITY customers can get speeds up to 428 Mbps.
Show all upload speeds
- 23.7% up to 1,000.0 Mbps
- 76.3% up to 250.0 Mbps
94597 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 94597 or any of the areas nearby.
How does fiber internet in 94597 compare to the rest of California?
Fiber internet speeds in 94597 are much faster versus the average speeds in California: 0.00 Mbps in California versus 8,255 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in California is 0.00% versus 70.17% in 94597.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 94597 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
- 94598, CA: less fiber coverage, faster speeds
- 94523, CA: less fiber coverage, slower speeds
- 94596, CA: more fiber coverage, faster speeds
- 94518, CA: less fiber coverage, slower speeds
- 94549, CA: less fiber coverage, slower speeds
- 94595, CA: less fiber coverage, slower speeds
- 94520, CA: less fiber coverage, slower speeds
- 94519, CA: more fiber coverage, faster speeds
- 94507, CA: less fiber coverage, slower speeds
- 94553, CA: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 98028, WA: more fiber coverage, slower speeds
- 10954, NY: more fiber coverage, slower speeds
- 49316, MI: less fiber coverage, slower speeds
- 48390, MI: less fiber coverage, slower speeds
- 33811, FL: more fiber coverage, slower speeds
- 33426, FL: less fiber coverage, slower speeds
- 33772, FL: less fiber coverage, slower speeds
- 60706, IL: less fiber coverage, slower speeds
- 86326, AZ: less fiber coverage, slower speeds
- 83702, ID: less fiber coverage, slower speeds