In San Dimas there is 1 residential Fiber provider covering 76.38% of the city. The average home can get speeds up to 6,983 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 Dimas, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Dimas, CA please click below.
San Dimas, CA Availability Maps
Fiber Internet Service Provider in San Dimas
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 Dimas are not shown.
San Dimas 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 Dimas is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 76.38% of San Dimas. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in San Dimas above to see who has service at your home.
How fast is fiber internet in San Dimas?
The map below shows maximum fiber internet speeds by area in San Dimas.
Fiber Internet Speed Key
The average San Dimas home can get up to 6,983 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 75.73% 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 5,000 Mbps. See the internet provider details below for info about their speed and coverage in San Dimas.
Fiber internet speeds tend to be faster in the northeast parts of San Dimas, and slower in the north areas of the city.
Is fiber the fastest internet I can get in San Dimas?
The fastest internet for you may vary based on where in San Dimas you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 76.38% of San Dimas homes.
- Cable is fastest for 16.28% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 7.21% of San Dimas homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in San Dimas, along with details on where in San Dimas and at what speeds.
Frontier Communications Fiber in San Dimas, CA
Frontier fiber coverage
About 76.38%, or 28,854 people, have Frontier fiber internet available to them in the city. The company covers the entire San Dimas area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Dimas.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in San Dimas. Versus other fiber providers in the area, Frontier fiber is the fastest. There are 2 different maximum speeds throughout San Dimas. The fastest plan anyone in San Dimas can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 5,000 Mbps, and the city-wide average maximum speed for San Dimas customers is up to 6,983 Mbps.
Show all download speeds
- 99.2% up to 7,000.0 Mbps
- 0.8% up to 5,000.0 Mbps
Frontier Communications fiber upload speeds
In San Dimas download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other San Dimas fiber providers. Frontier offers 2 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 San Dimas is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 5,000 Mbps. On average, Frontier customers can get speeds up to 6,983 Mbps.
Show all upload speeds
- 99.2% up to 7,000.0 Mbps
- 0.8% up to 5,000.0 Mbps
San Dimas Fiber by Area
This information is most helpful to those looking for homes or considering moving to San Dimas or any of the areas nearby.
How does fiber internet in San Dimas compare to the rest of California?
Fiber internet speeds in San Dimas are much faster versus the average speeds in California: 0.00 Mbps in California versus 6,983 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 76.38% in San Dimas.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around San Dimas 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 Verne, CA: more fiber coverage, slower speeds
- Glendora, CA: more fiber coverage, slower speeds
- Covina, CA: more fiber coverage, slower speeds
- Citrus, CA: more fiber coverage, slower speeds
- Pomona, CA: more fiber coverage, faster speeds
- Azusa, CA: more fiber coverage, slower speeds
- Walnut, CA: more fiber coverage, slower speeds
- Claremont, CA: less fiber coverage, slower speeds
- Vincent, CA: more fiber coverage, slower speeds
- West Covina, CA: more fiber coverage, slower speeds
Cities with Similar Populations
- Las Piedras, PR: less fiber coverage, slower speeds
- Saratoga Springs, UT: less fiber coverage, slower speeds
- Saratoga Springs, NY: less fiber coverage, slower speeds
- Salem, VA: less fiber coverage, slower speeds
- Sahuarita, AZ: less fiber coverage, slower speeds
- Roy, UT: less fiber coverage, faster speeds
- Manitowoc, WI: less fiber coverage, faster speeds
- Lewiston, ME: more fiber coverage, slower speeds
- Lauderdale Lakes, FL: more fiber coverage, slower speeds
- Severn, MD: more fiber coverage, slower speeds