In Walnut Valley there is 1 residential Cable provider covering 99.80% of the neighborhood. The average home can get speeds up to 1,000 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 Cable internet providers in Walnut Valley, Diamond Bar, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Walnut Valley, Diamond Bar, CA please click below.
Walnut Valley, Diamond Bar, CA Availability Maps
Cable Internet Service Provider in Walnut Valley
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 Walnut Valley are not shown.
Walnut Valley 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 Walnut Valley is cable internet available?

Cable Internet Availability Key
Cable is available in 99.80% of Walnut Valley. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Walnut Valley above to see who has service at your home.
How fast is cable internet in Walnut Valley?
The map below shows maximum cable internet speeds by area in Walnut Valley.

Cable Internet Speed Key
The average Walnut Valley home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the neighborhood is 1,000 Mbps, which 99.80% of residents can get.
Is cable the fastest internet I can get in Walnut Valley?
The fastest internet for you may vary based on where in Walnut Valley you live. In general, fiber competes most often with cable in the neighborhood.
- Fiber is the fastest internet type for 60.71% of Walnut Valley homes.
- Cable is fastest for 39.09% of the neighborhood.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Walnut Valley homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Walnut Valley, along with details on where in Walnut Valley and at what speeds.
Spectrum Cable in Walnut Valley, Diamond Bar, CA

Spectrum cable coverage
About 99.80%, or 39,318 people, have Spectrum cable internet available to them in the neighborhood. The company covers the entire Walnut Valley area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Walnut Valley.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Walnut Valley. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Walnut Valley. The fastest plan anyone in Walnut Valley can order from Spectrum goes up to 1,000 Mbps, and all Walnut Valley customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Walnut Valley download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Walnut Valley cable providers. Spectrum offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Walnut Valley is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Walnut Valley Cable by Area
This information is most helpful to those looking for homes or considering moving to Walnut Valley or any of the areas nearby.
How does cable internet in Walnut Valley compare to the rest of Diamond Bar?
Cable internet speeds in Walnut Valley are much faster versus the average speeds in Diamond Bar: 0.00 Mbps in Diamond Bar versus 1,000 Mbps in the neighborhood. The city has similar cable availability compared to the neighborhood. Average cable coverage in Diamond Bar is 0.00% versus 99.80% in Walnut Valley.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Walnut Valley are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Downtown Pomona, Pomona, CA: less cable coverage, similar speeds
- Edison Historic District, Pomona, CA: less cable coverage, similar speeds
- Brea-Olinda, Brea, CA: less cable coverage, similar speeds
- Covina-Valley, Covina, CA: less cable coverage, similar speeds
- Charter Oak, Covina, CA: less cable coverage, similar speeds
- La Habra City, La Habra, CA: less cable coverage, similar speeds
- Bassett, West Puente Valley, CA: more cable coverage, similar speeds
- Lowell, La Habra, CA: less cable coverage, similar speeds
- Downtown Fullerton, Fullerton, CA: less cable coverage, similar speeds
- Northeast, Anaheim, CA: less cable coverage, similar speeds
Neighborhoods with Similar Populations
- River Oaks, Houston, TX: less cable coverage, faster speeds
- Montebello, Denver, CO: more cable coverage, faster speeds
- Montecito Heights, Los Angeles, CA: less cable coverage, similar speeds
- Montello, Brockton, MA: more cable coverage, faster speeds
- Active Bethel, Eugene, OR: more cable coverage, faster speeds
- New Brighton, Staten Island, NY: more cable coverage, similar speeds
- North Arlington, Arlington, TX: less cable coverage, similar speeds
- North Cheyenne, Las Vegas, NV: less cable coverage, faster speeds
- North Dallas, Dallas, TX: less cable coverage, similar speeds
- Payne Phallen, St. Paul, MN: more cable coverage, faster speeds


