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 105 Mbps for download speeds and 11 Mbps for upload speeds for Spectrum customers over 8,203 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 May 12 2022
ProviderDownload SpeedUpload Speed
Spectrum
Cable
Fiber
View Details →
105 Mbps11 Mbps
Frontier Communications
DSL
Fiber
View Details →
107 Mbps82 Mbps
* Data from speed tests taken in the last 3 months

Internet Providers in Diamond Bar, CA

Spectrum

Cable
Fiber

Download Speed

105Mbps

Upload Speed

11Mbps

Overview

Spectrum is the most popular provider in Diamond Bar offering cable and fiber internet service. Users have been getting 105 Mbps for download speeds and 11 Mbps for upload speeds over 8,203 recent tests.

Speed Breakdown

Spectrum has the 2nd fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Diamond Bar. 40% of users saw download speeds between 100-250 Mbps, and 53% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Frontier Communications

DSL
Fiber

Download Speed

107Mbps

Upload Speed

82Mbps

Overview

Frontier Communications is the 2nd most popular provider in Diamond Bar offering DSL and fiber internet service. Users have been getting 107 Mbps for download speeds and 82 Mbps for upload speeds over 3,917 recent tests.

Speed Breakdown

Frontier Communications has the fastest average download speeds and the fastest average upload speeds out of all of the providers in Diamond Bar. 23% of users saw download speeds between 250-500 Mbps, and 27% of users saw upload speeds between 100-250 Mbps.

Download Speeds

Upload Speeds

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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, Frontier Communications provides the fastest download speeds and Frontier Communications provides the fastest upload speeds.