In San Diego there are 2 residential Fiber providers covering 7.28% of the city. The average home can get speeds up to 2,648 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, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in San Diego, TX please click below.
San Diego, TX 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 San Diego 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 San Diego is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 7.28% of San Diego. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Smartcom Telephone. Call one of the companies with service in San Diego above to see who has service at your home.
How fast is fiber internet in San Diego?
The map below shows maximum fiber internet speeds by area in San Diego.
Fiber Internet Speed Key
The average San Diego home can get up to 2,648 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 3.00% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.28% 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 San Diego.
Fiber internet speeds tend to be faster in the southeast parts of San Diego, and slower in the northeast areas of the city.
Is fiber the fastest internet I can get in San Diego?
The fastest internet for you may vary based on where in San Diego you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 7.28% of San Diego homes.
- Cable is fastest for 67.38% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 24.55%.
- Satellite internet may be the only option for less than 1% of San Diego homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in San Diego, along with details on where in San Diego and at what speeds.
Spectrum Fiber in San Diego, TX
Spectrum fiber coverage
About 3.82%, or 238 people, have Spectrum fiber internet available to them in the city. The company covers the northeast San Diego area. Spectrum 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.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in San Diego. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout San Diego. The fastest plan anyone in San Diego can order from Spectrum goes up to 1,000 Mbps, and all San Diego customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In San Diego download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other San Diego fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Diego is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Smartcom Telephone Fiber in San Diego, TX
Smartcom Telephone fiber coverage
About 3.00%, or 187 people, have Smartcom Telephone fiber internet available to them in the city. The company covers the south and southeast San Diego area. Smartcom Telephone is a large internet service provider internet service providers in the US, with internet service available in a very small piece of San Diego.
Smartcom Telephone fiber download speeds
Smartcom Telephone is the fastest when comparing download speeds to all other internet providers in San Diego. Versus other fiber providers in the area, Smartcom Telephone fiber is the fastest. There are no different maximum speeds throughout San Diego. The fastest plan anyone in San Diego can order from Smartcom Telephone goes up to 5,000 Mbps, and all San Diego customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Smartcom Telephone fiber upload speeds
In San Diego download speeds tend to be equal to than upload speeds for Smartcom Telephone fiber. Compared to other ISPs, Smartcom Telephone is the fastest where upload speeds are concerned, and the fastest compared to other San Diego fiber providers. Smartcom Telephone offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Diego is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
San Diego Fiber by Area
This information is most helpful to those looking for homes or considering moving to San Diego or any of the areas nearby.
How does fiber internet in San Diego compare to the rest of Texas?
Fiber internet speeds in San Diego are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 2,648 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Texas is 0.00% versus 7.28% in San Diego.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around San Diego 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
- San Jose, TX: more fiber coverage, faster speeds
- Alice, TX: more fiber coverage, faster speeds
- Agua Dulce, TX: more fiber coverage, slower speeds
- Banquete, TX: more fiber coverage, faster speeds
- Driscoll, TX: less fiber coverage, faster speeds
- Robstown, TX: more fiber coverage, faster speeds
- North San Pedro, TX: more fiber coverage, faster speeds
- San Pedro, TX: more fiber coverage, faster speeds
- Petronila, TX: more fiber coverage, slower speeds
- Corpus Christi, TX: more fiber coverage, faster speeds
Cities with Similar Populations
- Reserve, LA: less fiber coverage, slower speeds
- Ridgway, PA: more fiber coverage, slower speeds
- Ridgeway, SC: more fiber coverage, faster speeds
- Richwood, TX: more fiber coverage, faster speeds
- Richlands, VA: more fiber coverage, slower speeds
- Richland, MI: more fiber coverage, faster speeds
- Richfield, OH: more fiber coverage, slower speeds
- Rice, MN: more fiber coverage, slower speeds
- Rib Mountain, WI: more fiber coverage, faster speeds
- Rexford, NY: more fiber coverage, faster speeds