RealSpeeds

Internet Speeds in Diamond Bar, CA

Diamond Bar residents have 2 internet providers to choose from. Spectrum is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 106 Mbps for download speeds and 11 Mbps for upload speeds for Spectrum customers over 7,094 recent tests. In addition to Spectrum, DSL and fiber internet service is also available from Frontier Communications.

See more detailed speed and coverage data below.

Last updated on September 22, 2022
ProviderDownload SpeedUpload SpeedLatency
Spectrum
Cable
Fiber
View Details →
106 Mbps11 Mbps10 ms
Frontier Communications
DSL
Fiber
View Details →
89 Mbps87 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Diamond Bar, CA

Spectrum

Cable
Fiber

Download Speed

106Mbps

Upload Speed

11Mbps

Latency

10ms

Overview

Spectrum is the most popular provider in Diamond Bar offering cable and fiber internet service. Users have been getting 106 Mbps for download speeds and 11 Mbps for upload speeds over 7,094 recent tests.

Speed Breakdown

Spectrum has the fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Diamond Bar. 25% of users saw download speeds between 100-250 Mbps, and 56% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 202292 Mbps8 Mbps11 ms
September 20, 202210 Mbps1 Mbps20 ms
September 20, 2022233 Mbps23 Mbpsn/a ms
September 20, 2022318 Mbps22 Mbps6 ms
September 20, 2022442 Mbps23 Mbps7 ms
September 20, 202212 Mbps5 Mbps7 ms
September 20, 2022298 Mbps8 Mbps51 ms
September 20, 2022389 Mbps13 Mbps14 ms
September 20, 202219 Mbps2 Mbps9 ms
September 20, 202293 Mbps39 Mbps13 ms

Frontier Communications

DSL
Fiber

Download Speed

89Mbps

Upload Speed

87Mbps

Latency

6ms

Overview

Frontier Communications is the 2nd most popular provider in Diamond Bar offering DSL and fiber internet service. Users have been getting 89 Mbps for download speeds and 87 Mbps for upload speeds over 3,720 recent tests.

Speed Breakdown

Frontier Communications has the 2nd fastest average download speeds and the fastest average upload speeds out of all of the providers in Diamond Bar. 26% of users saw download speeds between 50-100 Mbps, and 27% of users saw upload speeds between 100-250 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 2022318 Mbps114 Mbps11 ms
September 20, 202212 Mbps11 Mbps5 ms
September 20, 20222 Mbps8 Mbps26 ms
September 20, 202287 Mbps110 Mbps6 ms
September 20, 202246 Mbps43 Mbps345 ms
September 20, 2022228 Mbps132 Mbps8 ms
September 20, 2022100 Mbps121 Mbps8 ms
September 20, 202281 Mbps73 Mbpsn/a ms
September 20, 202255 Mbps56 Mbps6 ms
September 20, 202241 Mbps20 Mbpsn/a ms

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Frequently Asked Questions

What internet providers are available in Diamond Bar, CA?

Spectrum and Frontier Communications currently operate in Diamond Bar.

What is the most popular internet provider in Diamond Bar, CA?

Spectrum is currently the most popular internet provider in Diamond Bar based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Diamond Bar, CA?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Diamond Bar are getting, Spectrum provides the fastest download and upload speeds.

Is there fiber internet in Diamond Bar, CA?

Frontier Communications and Spectrum provide fiber internet in Diamond Bar.