In San Diego County there are 2 residential Fiber providers covering 23.49% of the county. The average home can get speeds up to 998 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.
Fiber Internet Service Providers in San Diego County
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.
HughesNet Satellite Internet
Where in San Diego County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 23.49% 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.
Fiber Internet Speed Key
The average San Diego County home can get up to 998 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 1,000 Mbps, which 23.45% 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 18 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 west parts of San Diego County, and slower in the east 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 23.44% of San Diego County homes.
- Cable is fastest for 71.34% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.48%.
- Satellite internet may be the only option for 1.22% 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.
AT&T Fiber in San Diego County, CA
AT&T fiber coverage
About 19.98%, or 618,528 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 a small portion 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 3 different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from AT&T goes up to 1,000 Mbps, the slowest package only goes up to 18 Mbps, and the county-wide average maximum speed for San Diego County customers is up to 998 Mbps.
Show all download speeds
- 99.8% up to 1,000.0 Mbps
- 0.1% up to 75.0 Mbps
- 0.1% up to 18.0 Mbps
AT&T fiber upload speeds
In San Diego County download speeds tend to be 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 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 1.5 Mbps. On average, AT&T customers can get speeds up to 998 Mbps.
Show all upload speeds
- 99.8% up to 1,000.0 Mbps
- 0.1% up to 8.0 Mbps
- 0.1% up to 1.5 Mbps
Cox Communications Fiber in San Diego County, CA
Cox fiber coverage
About 4.17%, or 128,948 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 one of the fastest when comparing download speeds to all other internet providers in San Diego County. Versus other fiber providers in the area, Cox fiber is one of the fastest. There are no different maximum speeds throughout San Diego County. The fastest plan anyone in San Diego County can order from Cox 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
Cox Communications fiber upload speeds
In San Diego County download speeds tend to be than upload speeds for Cox fiber. Compared to other ISPs, Cox is above average where upload speeds are concerned, and below average compared to other San Diego County fiber providers. Cox offers 2 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Cox customers can get speeds up to 923 Mbps.
Show all upload speeds
- 92.1% up to 1,000.0 Mbps
- 7.9% up to 35.0 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 comparable versus the average speeds in California: 955 Mbps in California versus 998 Mbps in the county. The state has far less fiber availability compared to the county. Average fiber coverage in California is 95.44% versus 23.49% 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
- Riverside County, CA: more fiber coverage, slower speeds
- Orange County, CA: more fiber coverage, slower speeds
- Imperial County, CA: less fiber coverage, slower speeds
- San Bernardino County, CA: more fiber coverage, slower speeds
- Los Angeles County, CA: more fiber coverage, slower speeds
- Ventura County, CA: more fiber coverage, slower speeds
- Yuma County, AZ: less fiber coverage, slower speeds
- La Paz County, AZ: less fiber coverage, slower speeds
- Kern County, CA: less fiber coverage, faster speeds
- Santa Barbara County, CA: less fiber coverage, slower speeds
Counties with Similar Populations
- Orange County, CA: more fiber coverage, slower speeds
- Miami-Dade County, FL: more fiber coverage, faster speeds
- Kings County, NY: more fiber coverage, slower speeds
- Dallas County, TX: more fiber coverage, slower speeds
- Maricopa County, AZ: more fiber coverage, slower speeds
- Riverside County, CA: more fiber coverage, slower speeds
- Queens County, NY: more fiber coverage, slower speeds
- San Bernardino County, CA: more fiber coverage, slower speeds
- Clark County, NV: more fiber coverage, slower speeds
- King County, WA: more fiber coverage, slower speeds