In Diamond Bar there are 2 internet service providers, with Spectrum being the most popular. Spectrum offers cable and fiber internet service. In recent tests, Spectrum customers had an average download speed of 188 Mbps and an average upload speed of 12 Mbps. In addition to Spectrum, DSL and fiber internet service is also available from Frontier Communications.
While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Spectrum Cable Fiber | 188 Mbps | 12 Mbps | 10 ms |
| Frontier Communications DSL Fiber | 218 Mbps | 132 Mbps | 6 ms |
| * Data from speed tests taken in the last 3 months | |||
Spectrum is the most popular provider in Diamond Bar offering cable and fiber internet service. Users have been getting 188 Mbps for download speeds and 12 Mbps for upload speeds over 13,016 recent tests.
Spectrum has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Diamond Bar. 29% of users saw download speeds between 100-250 Mbps, and 63% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 539 Mbps | 23 Mbps | 328 ms |
| June 17, 2024 | 126 Mbps | 2 Mbps | 16 ms |
| June 17, 2024 | 194 Mbps | 23 Mbps | 6 ms |
| June 17, 2024 | 137 Mbps | 12 Mbps | 9 ms |
| June 17, 2024 | 44 Mbps | 31 Mbps | 13 ms |
| June 17, 2024 | 513 Mbps | 37 Mbps | 9 ms |
| June 17, 2024 | 341 Mbps | 12 Mbps | 9 ms |
| June 17, 2024 | 95 Mbps | 23 Mbps | 12 ms |
| June 17, 2024 | 503 Mbps | 19 Mbps | 10 ms |
| June 17, 2024 | 11 Mbps | 7 Mbps | 12 ms |
Frontier Communications is the 2nd most popular provider in Diamond Bar offering DSL and fiber internet service. Users have been getting 218 Mbps for download speeds and 132 Mbps for upload speeds over 2,001 recent tests.
Frontier Communications has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Diamond Bar. 27% of users saw download speeds between 250-500 Mbps, and 35% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 939 Mbps | 943 Mbps | 3 ms |
| June 17, 2024 | 2 Mbps | 1 Mbps | 27 ms |
| June 17, 2024 | 45 Mbps | 36 Mbps | 9 ms |
| June 17, 2024 | 39 Mbps | 1 Mbps | 6 ms |
| June 17, 2024 | 96 Mbps | 24 Mbps | 4 ms |
| June 17, 2024 | 123 Mbps | 6 Mbps | 5 ms |
| June 16, 2024 | 935 Mbps | 940 Mbps | 3 ms |
| June 16, 2024 | 278 Mbps | 249 Mbps | 10 ms |
| June 16, 2024 | 97 Mbps | 24 Mbps | 6 ms |
| June 15, 2024 | 939 Mbps | 136 Mbps | 5 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.