In the San Diego area there are 5 residential Fiber providers covering 52.41% of the city. The average home can get speeds up to 4,816 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 San Diego, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Diego, CA please click below.
San Diego, CA Availability Maps
Fiber Internet Service Providers in San Diego
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 the San Diego area are not shown.
San Diego 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 the San Diego area is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 52.41% of the San Diego area. 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 the San Diego area above to see who has service at your home.
How fast is fiber internet in the San Diego area?
The map below shows maximum fiber internet speeds by area in the San Diego area.
Fiber Internet Speed Key
The average San Diego home can get up to 4,816 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 10,000 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 the San Diego area.
Fiber internet speeds tend to be faster in the southeast parts of the San Diego area, and slower in the north areas of the city.
Is fiber the fastest internet I can get in the San Diego area?
The fastest internet for you may vary based on where in the San Diego area you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 47.29% of San Diego homes.
- Cable is fastest for 47.53% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.15%.
- Satellite internet may be the only option for 2.92% of San Diego homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in the San Diego area, along with details on where in the San Diego area and at what speeds.
EarthLink Fiber in San Diego, CA
EarthLink fiber coverage
About 44.84%, or 1,479,173 people, have EarthLink fiber internet available to them in the city. The company covers the entire San Diego area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of the San Diego area.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in the San Diego area. Versus other fiber providers in the area, EarthLink fiber is above average. There are 4 different maximum speeds throughout the San Diego area. The fastest plan anyone in the San Diego area can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Diego customers is up to 4,430 Mbps.
Show all download speeds
- 85.8% up to 5,000.0 Mbps
- 14.2% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 10.0 Mbps
EarthLink fiber upload speeds
In the San Diego area 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 San Diego fiber providers. EarthLink offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in the San Diego area 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 4,430 Mbps.
Show all upload speeds
- 85.8% up to 5,000.0 Mbps
- 14.2% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 1.0 Mbps
AT&T Fiber in San Diego, CA
AT&T fiber coverage
About 44.84%, or 1,479,173 people, have AT&T fiber internet available to them in the city. The company covers the entire San Diego area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of the San Diego area.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in the San Diego area. Versus other fiber providers in the area, AT&T fiber is above average. There are 4 different maximum speeds throughout the San Diego area. The fastest plan anyone in the San Diego area can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Diego customers is up to 4,430 Mbps.
Show all download speeds
- 85.8% up to 5,000.0 Mbps
- 14.2% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 10.0 Mbps
AT&T fiber upload speeds
In the San Diego area 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 San Diego fiber providers. AT&T offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in the San Diego area 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 4,430 Mbps.
Show all upload speeds
- 85.8% up to 5,000.0 Mbps
- 14.2% up to 1,000.0 Mbps
- 0.0% up to 75.0 Mbps
- 0.0% up to 1.0 Mbps
Wyyerd Fiber Fiber in San Diego, CA
Wyyerd fiber coverage
About 8.75%, or 288,674 people, have Wyyerd fiber internet available to them in the city. The company covers the southeast San Diego area. Wyyerd is a large internet service provider internet service providers in the US, with internet service available in a very small piece of the San Diego area.
Wyyerd Fiber fiber download speeds
Wyyerd is the fastest when comparing download speeds to all other internet providers in the San Diego area. Versus other fiber providers in the area, Wyyerd fiber is the fastest. There are 3 different maximum speeds throughout the San Diego area. The fastest plan anyone in the San Diego area can order from Wyyerd goes up to 10,000 Mbps, the slowest package only goes up to 2,000 Mbps, and the city-wide average maximum speed for San Diego customers is up to 7,996 Mbps.
Show all download speeds
- 0.1% up to 10,000.0 Mbps
- 99.8% up to 8,000.0 Mbps
- 0.1% up to 2,000.0 Mbps
Wyyerd Fiber fiber upload speeds
In the San Diego area download speeds tend to be equal to than upload speeds for Wyyerd fiber. Compared to other ISPs, Wyyerd is the fastest where upload speeds are concerned, and the fastest compared to other San Diego fiber providers. Wyyerd offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in the San Diego area is up to 10,000 Mbps. Some customers have slower plan choices, which only go up to 2,000 Mbps. On average, Wyyerd customers can get speeds up to 7,996 Mbps.
Show all upload speeds
- 0.1% up to 10,000.0 Mbps
- 99.8% up to 8,000.0 Mbps
- 0.1% up to 2,000.0 Mbps
Cox Communications Fiber in San Diego, CA
Cox fiber coverage
About 5.74%, or 189,409 people, have Cox fiber internet available to them in the city. The company covers the entire San Diego area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of the San Diego area.
Cox Communications fiber download speeds
Cox is below average when comparing download speeds to all other internet providers in the San Diego area. Versus other fiber providers in the area, Cox fiber is below average. There are 2 different maximum speeds throughout the San Diego area. The fastest plan anyone in the San Diego area can order from Cox goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for San Diego customers is up to 1,242 Mbps.
Show all download speeds
- 24.2% up to 2,000.0 Mbps
- 75.8% up to 1,000.0 Mbps
Cox Communications fiber upload speeds
In the San Diego area download speeds tend to be faster than than upload speeds for Cox fiber. Compared to other ISPs, Cox is below average where upload speeds are concerned, and the slowest compared to other San Diego fiber providers. Cox offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in the San Diego area is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
San Diego Fiber by Area
This information is most helpful to those looking for homes or considering moving to the San Diego area or any of the areas nearby.
How does fiber internet in the San Diego area compare to the rest of California?
Fiber internet speeds in the San Diego area are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,816 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 52.41% in the San Diego area.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around the San Diego area 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- La Mesa, CA: more fiber coverage, slower speeds
- Lemon Grove, CA: more fiber coverage, faster speeds
- La Jolla, CA: less fiber coverage, faster speeds
- Coronado, CA: more fiber coverage, slower speeds
- National City, CA: more fiber coverage, faster speeds
- Santee, CA: less fiber coverage, slower speeds
- Casa de Oro-Mount Helix, CA: more fiber coverage, faster speeds
- Spring Valley, CA: less fiber coverage, slower speeds
- La Presa, CA: more fiber coverage, faster speeds
- Bostonia, CA: less fiber coverage, slower speeds
Cities with Similar Populations
- Denver, CO: more fiber coverage, slower speeds
- Tampa, FL: more fiber coverage, faster speeds
- Minneapolis, MN: more fiber coverage, faster speeds
- Baltimore, MD: more fiber coverage, slower speeds
- St. Louis, MO: more fiber coverage, slower speeds
- Orlando, FL: more fiber coverage, slower speeds
- Seattle, WA: more fiber coverage, slower speeds
- Charlotte, NC: more fiber coverage, slower speeds
- San Antonio, TX: more fiber coverage, faster speeds
- Portland, OR: more fiber coverage, slower speeds