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6 Best Internet Providers in Walnut Valley, Diamond Bar, CA

Find internet availability by address in Walnut Valley, Diamond Bar, CA

Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Walnut Valley ISP Report Card | Business Internet in Walnut Valley

Walnut Valley ISP Report at a Glance
ISP grade Walnut Valley ISP Report Card B-
Average speed Download Speed for Most Households 4,592 Mbps
ISP count Number of Internet Service Providers 6
Customer review count Real Walnut Valley Customer Ratings 4

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Data update information

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Walnut Valley has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, Fixed Wireless, and DSL internet are available in the neighborhood. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Walnut Valley.

Walnut Valley overview

Walnut Valley has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, Fixed Wireless, and DSL internet are available in the neighborhood. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Walnut Valley.

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

Spectrum

Spectrum logo

Availability:

99.8%

Customer Rating:

3.3 of 5 stars

(1,936)

View Plans

1-877-411-1381 Price: $30.00 - $120.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Walnut Valley.

Max Download Speed InfoCalculated from the maximum speeds available to most Walnut Valley residents, weighted by user distribution.

Customer Rating

Cable

99.8%

1,000 Mbps

1,000 Mbps

Cable: 3.2 of 5 stars

(1,618)

Frontier

Frontier logo

Availability:

78.8%

Customer Rating:

3.4 of 5 stars

(166)

View Plans

1-877-361-2072 Price: $44.99 - $134.99 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Walnut Valley.

Max Download Speed InfoCalculated from the maximum speeds available to most Walnut Valley residents, weighted by user distribution.

Customer Rating

Fiber

60.4%

6,944 Mbps

7,000 Mbps

Fiber: 3.8 of 5 stars

(110)

DSL

25.4%

12 Mbps

70 Mbps

DSL: 2.5 of 5 stars

(46)

EarthLink

EarthLink logo

Availability:

95.3%

Customer Rating:

3.8 of 5 stars

(13)

View Plans

1-877-418-2092 Price: Starting at $54.95 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Walnut Valley.

Max Download Speed InfoCalculated from the maximum speeds available to most Walnut Valley residents, weighted by user distribution.

Customer Rating

Fixed Wireless

95.3%

50 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

AT&T

AT&T logo

Availability:

95.3%

Customer Rating:

3.7 of 5 stars

(1,051)

View Plans

1-877-610-1219 Price: $65.00 - $90.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Walnut Valley.

Max Download Speed InfoCalculated from the maximum speeds available to most Walnut Valley residents, weighted by user distribution.

Customer Rating

Fixed Wireless

95.3%

50 Mbps

100 Mbps

Wireless: 3.6 of 5 stars

(164)

Above are the top 4 providers in Walnut Valley, Diamond Bar, CA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your neighborhood.


T-Mobile Home Internet

T-Mobile Home Internet logo

Availability:

96.6%

Customer Rating:

4.0 of 5 stars

(341)

View Plans

1-833-601-2935 Price: $55.00 - $105.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Walnut Valley.

Max Download Speed InfoCalculated from the maximum speeds available to most Walnut Valley residents, weighted by user distribution.

Customer Rating

Fixed Wireless

96.6%

95 Mbps

100 Mbps

Wireless: 3.9 of 5 stars

(204)

Verizon

Verizon logo

Availability:

61.5%

Customer Rating:

3.8 of 5 stars

(811)

View Plans

1-833-213-7018 Price: $49.99 - $89.99 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Walnut Valley.

Max Download Speed InfoCalculated from the maximum speeds available to most Walnut Valley residents, weighted by user distribution.

Customer Rating

Fixed Wireless

61.5%

300 Mbps

300 Mbps

Wireless: 3.7 of 5 stars

(170)

Providers with less than 1% coverage in this neighborhood are excluded from the list. To see if one of these providers is available at your home, please use the address search above.

Satellite providers, which generally offer 100% coverage across the United States, are available for Walnut Valley residents as well. Some of the top satellite options include Dish Network, DirecTV, HughesNet, Viasat, and Starlink. These providers offer varied services and pricing, giving residents flexibility in choosing the best option for their location and needs.

Dish

Dish logo

Availability:

100%

Customer Rating:

3.6923 of 5 stars

(13)

View Plans

1-866-252-1910 Price: {{isp_price_range}}


DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3333 of 5 stars

(9)

View Plans

1-844-294-9501 Price: {{isp_price_range}}


Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7273 of 5 stars

(11)

View Plans

1-833-875-1370 Price: {{isp_price_range}}


HughesNet

HughesNet logo

Availability:

100%

Customer Rating:

2.4286 of 5 stars

(21)

View Plans

1-833-684-9249 Price: {{isp_price_range}}


Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9836 of 5 stars

(61)

View Plans

Price: {{isp_price_range}}

Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Walnut Valley ratings may vary and are shown below.

Who is the Best Internet Provider in Walnut Valley, Diamond Bar, CA?

Verizon is the best internet provider in Walnut Valley based on Diamond Bar customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Verizon had the best reviews at the local, state, and national levels versus all available providers in Walnut Valley, making it a solid recommendation among providers with reviews. Verizon is an option for 61.53% of the neighborhood.

Verizon logo

Click here to get Verizon

or call 1-833-213-7018

The chart and table below show average customer ratings from customers in Walnut Valley, California, and customers throughout the country.

Top Rated Internet Providers in Walnut Valley


Verizon5.003.713.82
Spectrum4.003.253.28
T-Mobile Home InternetN/A4.004.04
FrontierN/A3.793.39
  • City Rating
  • State Rating
  • National Rating

Local, State, and National Ratings for all Walnut Valley Internet Providers

ISP / Tech TypeWalnut Valley OverallCalifornia OverallNational OverallFor Service
Verizon (1) (24) (723)View Plans
Spectrum (3) (203) (1738)View Plans
T-Mobile Home Internet (0) (22) (284)View Plans
Frontier (0) (42) (143)View Plans
AT&T (0) (107) (924)View Plans
HughesNet (0) (1) (18)View Plans
Viasat (0) (1) (11)View Plans
EarthLink (0) (2) (12)View Plans

Based on 402 reviews from Diamond Bar internet customers, Verizon is the best internet service provider for Walnut Valley residents. Verizon was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. Spectrum wins for second-place in Diamond Bar, with 4.00 out of 5 stars and 99.8% coverage in Walnut Valley.

At a national level, based on 3853 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.04 out of 5.

Which Providers are Available at my Home in Walnut Valley?

The map shows speeds per provider and where each provider is available. Click the drop-down menu to choose
a different provider.

Walnut Valley, Diamond Bar, CA map of internet availability

Internet Availability Key

0%
10%
50%
100%

 

Speeds and coverage vary within the neighborhood, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.

Who is the Fastest Internet Provider in Walnut Valley?

According to unbiased feedback from real internet customers in the neighborhood, they reported being happiest with speeds provided by Verizon. On the other hand, based on data provided by the internet providers to the FCC, Frontier Communications should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.

Data Reported to FCC by ISPs: Average Maximum Available in Walnut Valley

Max Advertised Speed in Walnut Valley, Diamond Bar, CA


ISP / Tech TypeMax Advertised Speed
Frontier Communications7,000 Mbps
EarthLink1,000 Mbps
AT&T1,000 Mbps
Spectrum1,000 Mbps
Verizon300 Mbps
T-Mobile Home Internet100 Mbps
Viasat100 Mbps
HughesNet25 Mbps

Customer Ratings for Internet Provider Speeds in Walnut Valley


Verizon5.003.834.00
Spectrum3.673.523.61
FrontierN/A4.023.55
T-Mobile Home InternetN/A3.823.96
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeWalnut Valley SpeedCalifornia SpeedNational SpeedFor Service
Verizon (1) (24) (723)View Plans
Spectrum (3) (203) (1738)View Plans
Frontier (0) (42) (143)View Plans
T-Mobile Home Internet (0) (22) (284)View Plans
AT&T (0) (107) (924)View Plans
HughesNet (0) (1) (18)View Plans
Viasat (0) (1) (11)View Plans
EarthLink (0) (2) (12)View Plans

Based on data reported by Walnut Valley ISPs to the FCC, the fastest speeds in the neighborhood are available through Frontier Communications. The company offers speeds up to 7,000 Mbps in Walnut Valley. Therefore, the average customer can get up to 5,323 Mbps if they're willing to purchase the fastest subscription tier available at their homes.

Additionally, actual customers in the neighborhood rated their satisfaction with internet speed highest with Verizon. This indicates Verizon reliably delivers speeds expected by the customer based on the plan they are paying for.

Who is the Cheapest Internet Provider in Walnut Valley?

Diamond Bar customers rate Verizon as the cheapest internet service provider in city. Data comes from customers in the city rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.

Verizon received a local rating of 5.00 out of 5, which is higher than the average across all internet providers in the country. Spectrum is rated in second place for affordability by the company’s Walnut Valley customers with an average price rating of 3.67 out of 5.

The chart and graph below show how customers in Walnut Valley, Diamond Bar, and the United States rated the affordability of their internet service.

Rated Affordability in Walnut Valley


Verizon5.003.753.50
Spectrum3.672.892.91
T-Mobile Home InternetN/A4.184.11
FrontierN/A3.553.37
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeWalnut Valley AffordabilityCalifornia AffordabilityNational AffordabilityFor Service
Verizon (1) (24) (723)View Plans
Spectrum (3) (203) (1738)View Plans
T-Mobile Home Internet (0) (22) (284)View Plans
Frontier (0) (42) (143)View Plans
AT&T (0) (107) (924)View Plans
HughesNet (0) (1) (18)View Plans
Viasat (0) (1) (11)View Plans
EarthLink (0) (2) (12)View Plans

Walnut Valley Internet Health Assessment

ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the neighborhood and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Walnut Valley below, including the metrics used and how Walnut Valley compares to the rest of Diamond Bar and nation.

Walnut Valley ISP Report Card: B-
Metric

(hover for details)
Walnut Valley California USA
60.71% 51.81% 67.25%
4,592 Mbps 4,110 Mbps 3,293 Mbps
5.4 5.3 6.8

 

Walnut Valley Digital Connectivity Index: 88 / 100
Metric

(hover for details)
Walnut Valley California USA
3.2 3.0 2.7
17% 17% 14%
99% 99% 95%
97% 95% 90%
81% 79% 75%
81% 79% 76%

Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.

Walnut Valley ISP Report Card & Digital Connectivity Index

The ISP Report Card in Walnut Valley is B-, which is much better than other neighborhoods. The local demand for broadband internet connectivity in Walnut Valley is high with a score of 88 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Walnut Valley have done a great job meeting the needs of its residents.

The Walnut Valley ISP Report Card evaluates the neighborhood on availability and speed metrics compared to other neighborhoods in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a neighborhood needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.

97% of Walnut Valley households have an internet connection despite having 99.85% availability. 81% of households have fiber, cable, or DSL, 13% have satellite, 0% are still on dial-up, and 1% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.

As you can see in the table above, while 81% of households have a broadband connection such as fiber, cable or DSL available to their home, 81% subscribe to it. A very large amount of Walnut Valley residents are taking advantage of the available internet infrastructure.

For more details, please visit our ISP Report Card and Digital Connectivity Index pages.

How do Neighboring Neighborhoods Compare to Walnut Valley?

Downtown Pomona, Pomona, CA

  • ISP Report Card: B
  • Digital Connectivity Index: 65 / 100
Edison Historic District, Pomona, CA

  • ISP Report Card: A-
  • Digital Connectivity Index: 58 / 100
Brea-Olinda, Brea, CA

  • ISP Report Card: B
  • Digital Connectivity Index: 85 / 100
Covina-Valley, Covina, CA

  • ISP Report Card: B+
  • Digital Connectivity Index: 70 / 100
Charter Oak, Covina, CA

  • ISP Report Card: B
  • Digital Connectivity Index: 80 / 100
La Habra City, La Habra, CA

  • ISP Report Card: B+
  • Digital Connectivity Index: 80 / 100
Bassett, West Puente Valley, CA

  • ISP Report Card: A-
  • Digital Connectivity Index: 64 / 100
Lowell, La Habra, CA

  • ISP Report Card: B+
  • Digital Connectivity Index: 82 / 100
Downtown Fullerton, Fullerton, CA

  • ISP Report Card: A-
  • Digital Connectivity Index: 81 / 100

How Much Speed does a Walnut Valley Household Need?

Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Walnut Valley is 3.2, which is larger than the Diamond Bar average of 3.0 and larger than the national average of 2.7. Walnut Valley's average household income is $115,639 which is higher than the Diamond Bar average of $111,985 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.

Walnut Valley also has 19% of its population enrolled in school between the 6th grade and college level, this is higher than the Diamond Bar average of 18%. Additionally, 17% of residents work from home, which is lower than the 17% of residents in Diamond Bar who work from home. This and other factors you can see above show us that the community of Walnut Valley has a very high need for internet connectivity and speeds.

Compared to the rest of the country, Walnut Valley households are much more technology-engaged. 99% of households have some sort of computing device, 96% have desktops or laptops in the home, and 97% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.

Which Fiber Internet Providers are Available in Walnut Valley?

Frontier Fiber in Walnut Valley, Diamond Bar, CA

Frontier logo

Availability:

60.4%

Customer Rating:

3.8 of 5 stars

(110)

Avg. Download Speed

6,944 Mbps

Frontier Communications offers Fiber service to 60.4% of Walnut Valley homes. Across the neighborhood, Frontier Fiber has speeds up to 6,944 Mbps, with speeds from 5,000 Mpbs up to 7,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Frontier Fiber. Frontier Fiber is rated higher than other types of internet service available in Walnut Valley from Frontier in terms of customer satisfaction.

Which Cable Internet Providers are Available in Walnut Valley?

Spectrum Cable in Walnut Valley, Diamond Bar, CA

Spectrum logo

Availability:

99.8%

Customer Rating:

3.2 of 5 stars

(1,618)

Avg. Download Speed

1,000 Mbps

Spectrum offers Cable service to 99.8% of Walnut Valley homes. Across the neighborhood, Spectrum Cable is the only type of service available from the company, with speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 35, with an average of 35 Mbps throughout the neighborhood. Spectrum Cable is rated lower than other types of internet service available in Walnut Valley from Spectrum in terms of customer satisfaction.

Which DSL Internet Providers are Available in Walnut Valley?

Frontier DSL in Walnut Valley, Diamond Bar, CA

Frontier logo

Availability:

25.4%

Customer Rating:

2.5 of 5 stars

(46)

Avg. Download Speed

12 Mbps

Frontier Communications offers DSL service to 25.4% of Walnut Valley homes. Across the neighborhood, Frontier DSL has speeds up to 12 Mbps, with speeds from 10 Mpbs up to 70 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 3.0, with an average of 1.1 Mbps throughout the neighborhood. Frontier DSL is rated lower than other types of internet service available in Walnut Valley from Frontier in terms of customer satisfaction.

Which Fixed Wireless and LTE Internet Providers are Available in Walnut Valley?

T-Mobile Home Internet Fixed Wireless in Walnut Valley, Diamond Bar, CA

T-Mobile Home Internet logo

Availability:

96.6%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

95 Mbps

T-Mobile Home Internet offers Fixed Wireless service to 96.6% of Walnut Valley homes. Across the neighborhood, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 95 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 19 Mbps throughout the neighborhood. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in Walnut Valley from T-Mobile Home Internet in terms of customer satisfaction.

EarthLink Fixed Wireless in Walnut Valley, Diamond Bar, CA

EarthLink logo

Availability:

95.3%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

50 Mbps

EarthLink offers Fixed Wireless service to 95.3% of Walnut Valley homes. Across the neighborhood, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 50 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 8.7 Mbps throughout the neighborhood. EarthLink Fixed Wireless is rated other types of internet service available in Walnut Valley from EarthLink in terms of customer satisfaction.

AT&T Fixed Wireless in Walnut Valley, Diamond Bar, CA

AT&T logo

Availability:

95.3%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

50 Mbps

AT&T offers Fixed Wireless service to 95.3% of Walnut Valley homes. Across the neighborhood, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 50 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 8.7 Mbps throughout the neighborhood. AT&T Fixed Wireless is rated other types of internet service available in Walnut Valley from AT&T in terms of customer satisfaction.

Verizon Fixed Wireless in Walnut Valley, Diamond Bar, CA

Verizon logo

Availability:

61.5%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

300 Mbps

Verizon offers Fixed Wireless service to 61.5% of Walnut Valley homes. Across the neighborhood, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps, with speeds from 300 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 20, with an average of 20 Mbps throughout the neighborhood. Verizon Fixed Wireless is rated other types of internet service available in Walnut Valley from Verizon in terms of customer satisfaction.

Which ISP Should You Choose in Walnut Valley?

The right ISP for you depends upon your needs, but in general we can make the following suggestions:

  • The best all-around internet service provider in Walnut Valley is Verizon.
  • The fastest internet provider should be Frontier Communications. Considering speed for the money and reliability in speeds, Verizon may be a better choice based on real-world local customer feedback.
  • The most affordable internet provider in Walnut Valley is Verizon.
  • Viasat, Spectrum, and HughesNet has the broadest coverage in Walnut Valley, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.

How does Walnut Valley compare to other cities with a similar population?

To see how Walnut Valley stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Walnut Valley's B- ISP Report Card and 88 / 100 Digital Connectivity Index.

River Oaks, Houston, TX

  • ISP Report Card: A-
  • Digital Connectivity Index: 77 / 100
Montebello, Denver, CO

  • ISP Report Card: A
  • Digital Connectivity Index: 65 / 100
Montecito Heights, Los Angeles, CA

  • ISP Report Card: B
  • Digital Connectivity Index: 53 / 100
Montello, Brockton, MA

  • ISP Report Card: B+
  • Digital Connectivity Index: 64 / 100
Active Bethel, Eugene, OR

  • ISP Report Card: B
  • Digital Connectivity Index: 72 / 100
New Brighton, Staten Island, NY

  • ISP Report Card: B+
  • Digital Connectivity Index: 63 / 100
North Arlington, Arlington, TX

  • ISP Report Card: B
  • Digital Connectivity Index: 71 / 100
North Cheyenne, Las Vegas, NV

  • ISP Report Card: B-
  • Digital Connectivity Index: 73 / 100
North Dallas, Dallas, TX

  • ISP Report Card: A-
  • Digital Connectivity Index: 72 / 100

Customer Reviews

Customer Reviews for Internet Service Providers in California

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