San Carlos residents have 2 internet providers to choose from. AT&T is the most popular provider, offering DSL and fiber internet service. In our research, we have been seeing 221 Mbps for download speeds and 141 Mbps for upload speeds for AT&T customers over 5,335 recent tests. In addition to AT&T, cable and fiber internet service is also available from Xfinity.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| AT&T DSL Fiber | 221 Mbps | 141 Mbps | 6 ms |
| Xfinity Cable Fiber | 169 Mbps | 22 Mbps | 10 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the most popular provider in San Carlos offering DSL and fiber internet service. Users have been getting 221 Mbps for download speeds and 141 Mbps for upload speeds over 5,335 recent tests.
AT&T has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in San Carlos. 25% of users saw download speeds faster than 500 Mbps, and 39% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 91 Mbps | 92 Mbps | 11 ms |
| June 17, 2024 | 413 Mbps | 267 Mbps | 45 ms |
| June 17, 2024 | 12 Mbps | 13 Mbps | 6 ms |
| June 17, 2024 | 119 Mbps | 5 Mbps | 6 ms |
| June 17, 2024 | 424 Mbps | 195 Mbps | 6 ms |
| June 17, 2024 | 47 Mbps | 47 Mbps | 10 ms |
| June 17, 2024 | 792 Mbps | 451 Mbps | 3 ms |
| June 17, 2024 | 171 Mbps | 15 Mbps | 15 ms |
| June 17, 2024 | 808 Mbps | 633 Mbps | 5 ms |
| June 17, 2024 | 768 Mbps | 382 Mbps | 3 ms |
Xfinity is the 2nd most popular provider in San Carlos offering cable and fiber internet service. Users have been getting 169 Mbps for download speeds and 22 Mbps for upload speeds over 3,333 recent tests.
Xfinity 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 San Carlos. 27% of users saw download speeds between 100-250 Mbps, and 49% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 520 Mbps | 36 Mbps | 8 ms |
| June 17, 2024 | 225 Mbps | 30 Mbps | 12 ms |
| June 17, 2024 | 26 Mbps | 33 Mbps | 7 ms |
| June 17, 2024 | 764 Mbps | 20 Mbps | 6 ms |
| June 17, 2024 | 873 Mbps | 42 Mbps | 6 ms |
| June 17, 2024 | 144 Mbps | 1 Mbps | 15 ms |
| June 17, 2024 | 78 Mbps | 23 Mbps | 15 ms |
| June 17, 2024 | 278 Mbps | 24 Mbps | 7 ms |
| June 17, 2024 | 389 Mbps | 23 Mbps | 5 ms |
| June 16, 2024 | 58 Mbps | 11 Mbps | 7 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.