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 203 Mbps for download speeds and 12 Mbps for upload speeds for Spectrum customers over 17,686 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.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Spectrum Cable Fiber | 203 Mbps | 12 Mbps | 10 ms |
| AT&T DSL Fiber | 175 Mbps | 137 Mbps | 6 ms |
| Cox Communications Cable Fiber | 94 Mbps | 38 Mbps | 7 ms |
| * Data from speed tests taken in the last 3 months | |||
Spectrum is the most popular provider in Costa Mesa offering cable and fiber internet service. Users have been getting 203 Mbps for download speeds and 12 Mbps for upload speeds over 17,686 recent tests.
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. 35% of users saw download speeds between 250-500 Mbps, and 62% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 92 Mbps | 11 Mbps | 11 ms |
| March 16, 2024 | 251 Mbps | 1 Mbps | 7 ms |
| March 16, 2024 | 449 Mbps | 40 Mbps | 13 ms |
| March 16, 2024 | 164 Mbps | 22 Mbps | 12 ms |
| March 16, 2024 | 335 Mbps | 11 Mbps | 10 ms |
| March 16, 2024 | 85 Mbps | 12 Mbps | 9 ms |
| March 16, 2024 | 16 Mbps | 9 Mbps | 12 ms |
| March 16, 2024 | 794 Mbps | 41 Mbps | 12 ms |
| March 16, 2024 | 60 Mbps | 8 Mbps | 6 ms |
| March 16, 2024 | 9 Mbps | 9 Mbps | 16 ms |
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 137 Mbps for upload speeds over 13,403 recent tests.
AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Costa Mesa. 25% of users saw download speeds between 250-500 Mbps, and 37% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 302 Mbps | 1 Mbps | 5 ms |
| March 16, 2024 | 53 Mbps | 11 Mbps | 24 ms |
| March 16, 2024 | 174 Mbps | 159 Mbps | 5 ms |
| March 16, 2024 | 692 Mbps | 807 Mbps | 20 ms |
| March 16, 2024 | 458 Mbps | 106 Mbps | 9 ms |
| March 16, 2024 | 367 Mbps | 228 Mbps | 10 ms |
| March 16, 2024 | 360 Mbps | 77 Mbps | 6 ms |
| March 16, 2024 | 42 Mbps | 9 Mbps | 19 ms |
| March 16, 2024 | 322 Mbps | 304 Mbps | 4 ms |
| March 16, 2024 | 768 Mbps | 216 Mbps | 4 ms |
Cox Communications is the 3rd most popular provider in Costa Mesa offering cable and fiber internet service. Users have been getting 94 Mbps for download speeds and 38 Mbps for upload speeds over 836 recent tests.
Cox Communications has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Costa Mesa. 27% of users saw download speeds between 50-100 Mbps, and 19% of users saw upload speeds between 100-250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 914 Mbps | 836 Mbps | 4 ms |
| March 16, 2024 | 911 Mbps | 756 Mbps | 3 ms |
| March 16, 2024 | 31 Mbps | 45 Mbps | 9 ms |
| March 15, 2024 | 918 Mbps | 910 Mbps | 8 ms |
| March 15, 2024 | 855 Mbps | 747 Mbps | 3 ms |
| March 15, 2024 | 793 Mbps | 835 Mbps | 4 ms |
| March 15, 2024 | 107 Mbps | 32 Mbps | 64 ms |
| March 15, 2024 | 85 Mbps | 53 Mbps | 10 ms |
| March 15, 2024 | 179 Mbps | 40 Mbps | 5 ms |
| March 15, 2024 | 77 Mbps | 33 Mbps | 11 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.