RealSpeeds

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 190 Mbps for download speeds and 12 Mbps for upload speeds for Spectrum customers over 18,845 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 February 3, 2023
ProviderDownload SpeedUpload SpeedLatency
Spectrum
Cable
Fiber
View Details →
190 Mbps12 Mbps10 ms
AT&T
DSL
Fiber
View Details →
93 Mbps81 Mbps6 ms
Cox Communications
Cable
Fiber
View Details →
88 Mbps21 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Costa Mesa, CA

Spectrum

Cable
Fiber

Download Speed

190Mbps

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 190 Mbps for download speeds and 12 Mbps for upload speeds over 18,845 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. 36% of users saw download speeds between 250-500 Mbps, and 62% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Spectrum Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
February 2, 202375 Mbps94 Mbps4 ms
February 2, 2023102 Mbps38 Mbps16 ms
February 2, 2023218 Mbps10 Mbps57 ms
February 2, 2023130 Mbps10 Mbps10 ms
February 2, 2023472 Mbps23 Mbpsn/a ms
February 2, 2023222 Mbps11 Mbps11 ms
February 2, 202324 Mbps1 Mbps9 ms
February 2, 202322 Mbps11 Mbps12 ms
February 2, 202392 Mbps12 Mbpsn/a ms
February 2, 20234 Mbps6 Mbps9 ms

AT&T

DSL
Fiber

Download Speed

93Mbps

Upload Speed

81Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in Costa Mesa offering DSL and fiber internet service. Users have been getting 93 Mbps for download speeds and 81 Mbps for upload speeds over 7,014 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. 22% of users saw download speeds between 250-500 Mbps, and 22% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
February 2, 202324 Mbps12 Mbps24 ms
February 2, 202389 Mbps5 Mbps36 ms
February 2, 2023316 Mbps277 Mbps14 ms
February 2, 2023297 Mbps250 Mbpsn/a ms
February 2, 202323 Mbps12 Mbps23 ms
February 2, 20233 Mbps1 Mbpsn/a ms
February 2, 202326 Mbps5 Mbps27 ms
February 2, 202395 Mbps17 Mbps3 ms
February 2, 202394 Mbps93 Mbpsn/a ms
February 2, 202391 Mbps14 Mbps9 ms

Cox Communications

Cable
Fiber

Download Speed

88Mbps

Upload Speed

21Mbps

Latency

6ms

Overview

Cox Communications is the 3rd most popular provider in Costa Mesa offering cable and fiber internet service. Users have been getting 88 Mbps for download speeds and 21 Mbps for upload speeds over 472 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. 33% of users saw download speeds between 100-250 Mbps, and 39% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Cox Communications Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
February 2, 2023138 Mbps111 Mbps4 ms
January 31, 202324 Mbps1 Mbps6 ms
January 30, 202345 Mbps65 Mbps8 ms
January 29, 202347 Mbps38 Mbps5 ms
January 27, 202360 Mbps97 Mbps5 ms
January 26, 202363 Mbps98 Mbps6 ms
January 26, 20231 Mbps1 Mbps486 ms
January 25, 202365 Mbps99 Mbps9 ms
January 25, 2023181 Mbps28 Mbps5 ms
January 24, 2023253 Mbps27 Mbps7 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.