In Fairfax there are 3 internet service providers, with Verizon being the most popular. Verizon offers DSL and fiber internet service. In recent tests, Verizon customers had an average download speed of 255 Mbps and an average upload speed of 104 Mbps. In addition to Verizon, Cox Communications and Xfinity offer cable and fiber internet service.
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 |
|---|---|---|---|
| Verizon DSL Fiber | 255 Mbps | 104 Mbps | 5 ms |
| Cox Communications Cable Fiber | 120 Mbps | 23 Mbps | 6 ms |
| Xfinity Cable | 59 Mbps | 34 Mbps | 14 ms |
| * Data from speed tests taken in the last 3 months | |||
Verizon is the most popular provider in Fairfax offering DSL and fiber internet service. Users have been getting 255 Mbps for download speeds and 104 Mbps for upload speeds over 31,359 recent tests.
Verizon has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Fairfax. 28% of users saw download speeds between 250-500 Mbps, and 26% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 876 Mbps | 866 Mbps | 2 ms |
| June 17, 2024 | 270 Mbps | 158 Mbps | 6 ms |
| June 17, 2024 | 275 Mbps | 1 Mbps | 3 ms |
| June 17, 2024 | 310 Mbps | 164 Mbps | 5 ms |
| June 17, 2024 | 230 Mbps | 292 Mbps | 5 ms |
| June 17, 2024 | 558 Mbps | 80 Mbps | 7 ms |
| June 17, 2024 | 431 Mbps | 31 Mbps | 6 ms |
| June 17, 2024 | 112 Mbps | 117 Mbps | 4 ms |
| June 17, 2024 | 86 Mbps | 92 Mbps | 5 ms |
| June 17, 2024 | 120 Mbps | 73 Mbps | 6 ms |
Cox Communications is the 2nd most popular provider in Fairfax offering cable and fiber internet service. Users have been getting 120 Mbps for download speeds and 23 Mbps for upload speeds over 24,654 recent tests.
Cox Communications has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Fairfax. 27% of users saw download speeds between 100-250 Mbps, and 43% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 4 Mbps | 10 Mbps | 6 ms |
| June 17, 2024 | 120 Mbps | 24 Mbps | 5 ms |
| June 17, 2024 | 94 Mbps | 12 Mbps | 7 ms |
| June 17, 2024 | 60 Mbps | 12 Mbps | 8 ms |
| June 17, 2024 | 204 Mbps | 23 Mbps | 4 ms |
| June 17, 2024 | 120 Mbps | 24 Mbps | 7 ms |
| June 17, 2024 | 852 Mbps | 39 Mbps | 5 ms |
| June 17, 2024 | 56 Mbps | 12 Mbps | 4 ms |
| June 17, 2024 | 120 Mbps | 24 Mbps | 6 ms |
| June 17, 2024 | 166 Mbps | 20 Mbps | 5 ms |
Xfinity is the 3rd most popular provider in Fairfax offering cable internet service. Users have been getting 59 Mbps for download speeds and 34 Mbps for upload speeds over 180 recent tests.
Xfinity has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Fairfax. 20% of users saw download speeds between 10-25 Mbps, and 37% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 663 Mbps | 844 Mbps | 5 ms |
| June 13, 2024 | 10 Mbps | 5 Mbps | 16 ms |
| June 13, 2024 | 53 Mbps | 6 Mbps | 9 ms |
| June 10, 2024 | 165 Mbps | 194 Mbps | 6 ms |
| June 9, 2024 | 10 Mbps | 11 Mbps | 28 ms |
| June 4, 2024 | 32 Mbps | 31 Mbps | 29 ms |
| June 3, 2024 | 30 Mbps | 31 Mbps | 28 ms |
| May 31, 2024 | 32 Mbps | 32 Mbps | 28 ms |
| May 28, 2024 | 18 Mbps | 3 Mbps | 97 ms |
| May 23, 2024 | 7 Mbps | 10 Mbps | 28 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.