California residents have 3 internet providers to choose from. Armstrong Cable Services is the most popular provider, offering cable internet service. In our research, we have been seeing 300 Mbps for download speeds and 19 Mbps for upload speeds for Armstrong Cable Services customers over 306 recent tests. Verizon and Breezeline also have coverage in California, although they are not as popular as Armstrong Cable Services. These providers offer DSL and cable internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Armstrong Cable Services Cable | 300 Mbps | 19 Mbps | 26 ms |
| Verizon DSL | 2 Mbps | 1 Mbps | 57 ms |
| Breezeline Cable | 281 Mbps | 32 Mbps | 21 ms |
| * Data from speed tests taken in the last 3 months | |||
Armstrong Cable Services is the most popular provider in California offering cable internet service. Users have been getting 300 Mbps for download speeds and 19 Mbps for upload speeds over 306 recent tests.
Armstrong Cable Services has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in California. 50% of users saw download speeds between 250-500 Mbps, and 80% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 14, 2024 | 307 Mbps | 9 Mbps | 204 ms |
| March 13, 2024 | 518 Mbps | 18 Mbps | 22 ms |
| March 13, 2024 | 212 Mbps | 21 Mbps | 31 ms |
| March 12, 2024 | 364 Mbps | 18 Mbps | 24 ms |
| March 10, 2024 | 181 Mbps | 5 Mbps | 31 ms |
| March 10, 2024 | 118 Mbps | 20 Mbps | 27 ms |
| March 9, 2024 | 481 Mbps | 19 Mbps | 24 ms |
| March 9, 2024 | 278 Mbps | 20 Mbps | 24 ms |
| March 8, 2024 | 467 Mbps | 18 Mbps | 24 ms |
| March 8, 2024 | 248 Mbps | 18 Mbps | 25 ms |
Verizon is the 2nd most popular provider in California offering DSL internet service. Users have been getting 2 Mbps for download speeds and 1 Mbps for upload speeds over 87 recent tests.
Verizon has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in California. 100% of users saw download speeds slower than 10 Mbps, and 100% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 10, 2024 | 6 Mbps | 1 Mbps | 48 ms |
| March 10, 2024 | 2 Mbps | 1 Mbps | 55 ms |
| March 8, 2024 | 2 Mbps | 1 Mbps | 51 ms |
| March 7, 2024 | 3 Mbps | 1 Mbps | 1226 ms |
| March 6, 2024 | 3 Mbps | 1 Mbps | 1533 ms |
| March 5, 2024 | 3 Mbps | 1 Mbps | 61 ms |
| March 4, 2024 | 1 Mbps | 1 Mbps | 869 ms |
| March 1, 2024 | 3 Mbps | 1 Mbps | 45 ms |
| February 27, 2024 | 1 Mbps | 1 Mbps | 42 ms |
| February 24, 2024 | 3 Mbps | 1 Mbps | 50 ms |
Breezeline is the 3rd most popular provider in California offering cable internet service. Users have been getting 281 Mbps for download speeds and 32 Mbps for upload speeds over 3 recent tests.
Breezeline has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in California. 100% of users saw download speeds between 250-500 Mbps, and 100% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
We’ll run a download test and an upload test to give you the full picture of your internet connection.