Internet Speeds in Costa Mesa, CA

Costa Mesa residents have 3 internet providers to choose from. Spectrum is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 194 Mbps for download speeds and 12 Mbps for upload speeds for Spectrum customers over 17,152 recent tests. AT&T and Cox Communications also have coverage in Costa Mesa, although they are not as popular as Spectrum. These providers offer DSL, fiber and cable internet service.

See more detailed speed and coverage data below.

Last updated on April 30, 2024
ProviderDownload SpeedUpload SpeedLatency
Spectrum
Cable
Fiber
View Details →
194 Mbps12 Mbps10 ms
AT&T
DSL
Fiber
View Details →
182 Mbps136 Mbps6 ms
Cox Communications
Cable
Fiber
View Details →
129 Mbps54 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Costa Mesa, CA

Spectrum

Cable
Fiber

Download Speed

194Mbps

Upload Speed

12Mbps

Latency

10ms

Overview

Spectrum is the most popular provider in Costa Mesa offering cable and fiber internet service. Users have been getting 194 Mbps for download speeds and 12 Mbps for upload speeds over 17,152 recent tests.

Performance Breakdown

Spectrum has the fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Costa Mesa. 33% of users saw download speeds between 250-500 Mbps, and 59% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Spectrum Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
April 29, 202442 Mbps22 Mbps13 ms
April 29, 202493 Mbps12 Mbps7 ms
April 29, 202492 Mbps38 Mbps12 ms
April 29, 2024159 Mbps11 Mbps6 ms
April 29, 2024245 Mbps28 Mbps10 ms
April 29, 202417 Mbps7 Mbps10 ms
April 29, 2024102 Mbps17 Mbps12 ms
April 29, 2024135 Mbps21 Mbps8 ms
April 29, 2024284 Mbps10 Mbps11 ms
April 29, 2024369 Mbps11 Mbps10 ms

AT&T

DSL
Fiber

Download Speed

182Mbps

Upload Speed

136Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in Costa Mesa offering DSL and fiber internet service. Users have been getting 182 Mbps for download speeds and 136 Mbps for upload speeds over 13,726 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Costa Mesa. 26% of users saw download speeds between 250-500 Mbps, and 36% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
April 29, 202430 Mbps6 Mbps24 ms
April 29, 202410 Mbps66 Mbps12 ms
April 29, 2024174 Mbps167 Mbps4 ms
April 29, 202453 Mbps46 Mbps5 ms
April 29, 202490 Mbps58 Mbps7 ms
April 29, 2024218 Mbps33 Mbps7 ms
April 29, 2024280 Mbps210 Mbps5 ms
April 29, 202441 Mbps12 Mbps24 ms
April 29, 2024471 Mbps397 Mbps7 ms
April 29, 2024311 Mbps321 Mbps5 ms

Cox Communications

Cable
Fiber

Download Speed

129Mbps

Upload Speed

54Mbps

Latency

6ms

Overview

Cox Communications is the 3rd most popular provider in Costa Mesa offering cable and fiber internet service. Users have been getting 129 Mbps for download speeds and 54 Mbps for upload speeds over 1,266 recent tests.

Performance Breakdown

Cox Communications has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Costa Mesa. 25% of users saw download speeds faster than 500 Mbps, and 24% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Cox Communications Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
April 29, 20243 Mbps7 Mbps9 ms
April 29, 202413 Mbps47 Mbps10 ms
April 29, 2024549 Mbps425 Mbps4 ms
April 29, 2024916 Mbps836 Mbps8 ms
April 28, 202494 Mbps11 Mbps7 ms
April 26, 202410 Mbps7 Mbps9 ms
April 26, 2024915 Mbps266 Mbps9 ms
April 26, 2024514 Mbps234 Mbps7 ms
April 25, 2024918 Mbps603 Mbps12 ms
April 25, 2024913 Mbps895 Mbps4 ms

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Frequently Asked Questions

What internet providers are available in Costa Mesa, CA?

Spectrum, AT&T and Cox Communications currently operate in Costa Mesa.

What is the most popular internet provider in Costa Mesa, CA?

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

What is the fastest internet provider in Costa Mesa, 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 Costa Mesa are getting, Spectrum provides the fastest download and upload speeds.

Is there fiber internet in Costa Mesa, CA?

AT&T, Cox Communications and Spectrum provide fiber internet in Costa Mesa.