Charleston residents have 2 internet providers to choose from. Consolidated Communications is the most popular provider, offering DSL and fiber internet service. In our research, we have been seeing 135 Mbps for download speeds and 112 Mbps for upload speeds for Consolidated Communications customers over 2,875 recent tests. In addition to Consolidated Communications, cable internet service is also available from Mediacom Cable.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Consolidated Communications DSL Fiber | 135 Mbps | 112 Mbps | 13 ms |
| Mediacom Cable Cable | 127 Mbps | 35 Mbps | 13 ms |
| * Data from speed tests taken in the last 3 months | |||
Consolidated Communications is the most popular provider in Charleston offering DSL and fiber internet service. Users have been getting 135 Mbps for download speeds and 112 Mbps for upload speeds over 2,875 recent tests.
Consolidated Communications has the fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Charleston. 20% of users saw download speeds between 250-500 Mbps, and 34% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 888 Mbps | 311 Mbps | 10 ms |
| June 17, 2024 | 1003 Mbps | 688 Mbps | 12 ms |
| June 17, 2024 | 19 Mbps | 1 Mbps | 15 ms |
| June 17, 2024 | 94 Mbps | 88 Mbps | 13 ms |
| June 17, 2024 | 3 Mbps | 2 Mbps | 11 ms |
| June 16, 2024 | 57 Mbps | 57 Mbps | 12 ms |
| June 16, 2024 | 330 Mbps | 321 Mbps | 12 ms |
| June 16, 2024 | 305 Mbps | 373 Mbps | 13 ms |
| June 16, 2024 | 341 Mbps | 325 Mbps | 12 ms |
| June 16, 2024 | 16 Mbps | 4 Mbps | 16 ms |
Mediacom Cable is the 2nd most popular provider in Charleston offering cable internet service. Users have been getting 127 Mbps for download speeds and 35 Mbps for upload speeds over 625 recent tests.
Mediacom Cable has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 22% of users saw download speeds between 100-250 Mbps, and 36% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 726 Mbps | 46 Mbps | 7 ms |
| June 17, 2024 | 132 Mbps | 26 Mbps | 10 ms |
| June 17, 2024 | 880 Mbps | 64 Mbps | 9 ms |
| June 16, 2024 | 135 Mbps | 26 Mbps | 10 ms |
| June 16, 2024 | 677 Mbps | 64 Mbps | 9 ms |
| June 15, 2024 | 135 Mbps | 26 Mbps | 10 ms |
| June 15, 2024 | 851 Mbps | 65 Mbps | 8 ms |
| June 15, 2024 | 573 Mbps | 64 Mbps | 9 ms |
| June 15, 2024 | 771 Mbps | 61 Mbps | 16 ms |
| June 15, 2024 | 413 Mbps | 27 Mbps | 39 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.