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 182 Mbps for download speeds and 12 Mbps for upload speeds for Spectrum customers over 17,199 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 June 18, 2024
ProviderDownload SpeedUpload SpeedLatency
Spectrum
Cable
Fiber
View Details →
182 Mbps12 Mbps10 ms
AT&T
DSL
Fiber
View Details →
175 Mbps129 Mbps6 ms
Cox Communications
Cable
Fiber
View Details →
189 Mbps82 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Costa Mesa, CA

Spectrum

Cable
Fiber

Download Speed

182Mbps

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 182 Mbps for download speeds and 12 Mbps for upload speeds over 17,199 recent tests.

Performance Breakdown

Spectrum has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Costa Mesa. 32% 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
June 17, 2024889 Mbps1 Mbps8 ms
June 17, 2024507 Mbps20 Mbps8 ms
June 17, 2024401 Mbps22 Mbps8 ms
June 17, 2024338 Mbps22 Mbps10 ms
June 17, 2024130 Mbps11 Mbps12 ms
June 17, 2024411 Mbps23 Mbps12 ms
June 17, 2024517 Mbps22 Mbps9 ms
June 17, 2024159 Mbps23 Mbps7 ms
June 17, 2024343 Mbps11 Mbps12 ms
June 17, 2024135 Mbps12 Mbps9 ms

AT&T

DSL
Fiber

Download Speed

175Mbps

Upload Speed

129Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in Costa Mesa offering DSL and fiber internet service. Users have been getting 175 Mbps for download speeds and 129 Mbps for upload speeds over 12,858 recent tests.

Performance Breakdown

AT&T has the 3rd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Costa Mesa. 24% of users saw download speeds between 250-500 Mbps, and 35% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
June 17, 202499 Mbps20 Mbps24 ms
June 17, 2024172 Mbps159 Mbps5 ms
June 17, 2024596 Mbps475 Mbps5 ms
June 17, 2024317 Mbps259 Mbps7 ms
June 17, 202453 Mbps45 Mbps4 ms
June 17, 202453 Mbps11 Mbps20 ms
June 17, 2024326 Mbps313 Mbps6 ms
June 17, 2024312 Mbps298 Mbps5 ms
June 17, 2024363 Mbps316 Mbps5 ms
June 17, 2024706 Mbps556 Mbps7 ms

Cox Communications

Cable
Fiber

Download Speed

189Mbps

Upload Speed

82Mbps

Latency

6ms

Overview

Cox Communications is the 3rd most popular provider in Costa Mesa offering cable and fiber internet service. Users have been getting 189 Mbps for download speeds and 82 Mbps for upload speeds over 745 recent tests.

Performance Breakdown

Cox Communications has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Costa Mesa. 34% of users saw download speeds faster than 500 Mbps, and 32% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Cox Communications Speed Tests in Costa Mesa

DateDownload SpeedUpload SpeedLatency
June 12, 2024267 Mbps24 Mbps7 ms
June 11, 2024769 Mbps38 Mbps6 ms
June 11, 202412 Mbps3 Mbps43 ms
June 10, 2024557 Mbps451 Mbps6 ms
June 10, 202417 Mbps17 Mbps13 ms
June 7, 2024547 Mbps469 Mbps7 ms
June 7, 2024537 Mbps174 Mbps6 ms
June 6, 2024507 Mbps407 Mbps7 ms
June 6, 2024266 Mbps71 Mbps10 ms
June 4, 2024499 Mbps130 Mbps7 ms

Test Your Internet Speed

Download
0
Mbps
Upload
0
Mbps
Latency ms

We’ll run a download test and an upload test to give you the full picture of your internet connection.

Nearby Cities

Popular Cities in California

Featured Cities

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, Cox Communications 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.