In San Diego County there are 5 residential Fiber providers covering 52.41% of the county. 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 County, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Diego County, CA please click below.
San Diego County, CA Availability Maps
Fiber Internet Service Providers in San Diego County
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 San Diego County are not shown.
San Diego County 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 San Diego County is fiber internet available?
100%
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Fiber is available in 52.41% of San Diego County. 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 San Diego County above to see who has service at your home.
How fast is fiber internet in San Diego County?
The map below shows maximum fiber internet speeds by area in San Diego County.
1000 Mbps+
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The average San Diego County home can get up to 4,816 Mbps on their fiber internet plan. The fastest fiber download speed in the county 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 San Diego County.
Fiber internet speeds tend to be faster in the southeast parts of San Diego County, and slower in the north areas of the county.
Is fiber the fastest internet I can get in San Diego County?
The fastest internet for you may vary based on where in San Diego County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 47.29% of San Diego County homes.
- Cable is fastest for 47.53% of the county.
- 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 County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in San Diego County, along with details on where in San Diego County and at what speeds.
EarthLink Fiber in San Diego County, CA
EarthLink fiber coverage
About 44.84%, or 1,479,173 people, have EarthLink fiber internet available to them in the county. The company covers the entire San Diego County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Diego County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in San Diego County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 4 different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for San Diego County 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 San Diego County 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 County fiber providers. EarthLink offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in San Diego County 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 County, CA
AT&T fiber coverage
About 44.84%, or 1,479,173 people, have AT&T fiber internet available to them in the county. The company covers the entire San Diego County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Diego County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in San Diego County. Versus other fiber providers in the area, AT&T fiber is above average. There are 4 different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for San Diego County 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 San Diego County 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 County fiber providers. AT&T offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in San Diego County 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 County, CA
Wyyerd fiber coverage
About 8.75%, or 288,674 people, have Wyyerd fiber internet available to them in the county. The company covers the southeast, south, east, northwest, and northeast San Diego County area. Wyyerd is a large internet service provider internet service providers in the US, with internet service available in a very small piece of San Diego County.
Wyyerd Fiber fiber download speeds
Wyyerd is the fastest when comparing download speeds to all other internet providers in San Diego County. Versus other fiber providers in the area, Wyyerd fiber is the fastest. There are 3 different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from Wyyerd goes up to 10,000 Mbps, the slowest package only goes up to 2,000 Mbps, and the county-wide average maximum speed for San Diego County 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 San Diego County 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 County fiber providers. Wyyerd offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in San Diego County 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 County, CA
Cox fiber coverage
About 5.74%, or 189,409 people, have Cox fiber internet available to them in the county. The company covers the entire San Diego County 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 San Diego County.
Cox Communications fiber download speeds
Cox is below average when comparing download speeds to all other internet providers in San Diego County. Versus other fiber providers in the area, Cox fiber is below average. There are 2 different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from Cox goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for San Diego County 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 San Diego County 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 County fiber providers. Cox offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in San Diego County is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
ting Fiber in San Diego County, CA
ting fiber coverage
About 1.89%, or 62,234 people, have ting fiber internet available to them in the county. The company covers the northwest and west San Diego County area. ting is a large internet service provider internet service providers in the US, with internet service available in a very small piece of San Diego County.
ting fiber download speeds
ting is below average when comparing download speeds to all other internet providers in San Diego County. Versus other fiber providers in the area, ting fiber is one of the slowest. There are no different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from ting goes up to 1,000 Mbps, and all San Diego County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
ting fiber upload speeds
In San Diego County download speeds tend to be equal to than upload speeds for ting fiber. Compared to other ISPs, ting is below average where upload speeds are concerned, and below average compared to other San Diego County fiber providers. ting offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in San Diego County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
San Diego County Fiber by Area
This information is most helpful to those looking for homes or considering moving to San Diego County or any of the areas nearby.
How does fiber internet in San Diego County compare to the rest of California?
Fiber internet speeds in San Diego County are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,816 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in California is 0.00% versus 52.41% in San Diego County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around San Diego County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Imperial County, CA: less fiber coverage, slower speeds
- Graham County, AZ: more fiber coverage, slower speeds
- Greenlee County, AZ: more fiber coverage, slower speeds
- Grant County, NM: less fiber coverage, slower speeds
- Otero County, NM: less fiber coverage, slower speeds
- Lea County, NM: more fiber coverage, slower speeds
- Gaines County, TX: more fiber coverage, slower speeds
- Dawson County, TX: more fiber coverage, slower speeds
- Borden County, TX: more fiber coverage, slower speeds
- Fisher County, TX: less fiber coverage, slower speeds
Counties with Similar Populations
- Orange County, CA: more fiber coverage, faster speeds
- Maricopa County, AZ: less fiber coverage, slower speeds
- Los Angeles County, CA: more fiber coverage, faster speeds
- Erie County, NY: more fiber coverage, slower speeds
- Harris County, TX: more fiber coverage, faster speeds
- Lake County, IL: less fiber coverage, slower speeds
- Davidson County, TN: more fiber coverage, faster speeds
- DeKalb County, GA: more fiber coverage, faster speeds
- Lee County, FL: more fiber coverage, faster speeds
- Kings County, NY: more fiber coverage, faster speeds