Charleston residents have 3 internet providers to choose from. Suddenlink Communications is the most popular provider, offering cable internet service. In our research, we have been seeing 93 Mbps for download speeds and 17 Mbps for upload speeds for Suddenlink Communications customers over 14,975 recent tests. Frontier Communications and Lumos Networks also have coverage in Charleston, although they are not as popular as Suddenlink Communications. These providers offer DSL and fiber internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Suddenlink Communications Cable | 93 Mbps | 17 Mbps | 28 ms |
| Frontier Communications DSL Fiber | 15 Mbps | 2 Mbps | 34 ms |
| Lumos Networks DSL | 25 Mbps | 28 Mbps | 16 ms |
| * Data from speed tests taken in the last 3 months | |||
Suddenlink Communications is the most popular provider in Charleston offering cable internet service. Users have been getting 93 Mbps for download speeds and 17 Mbps for upload speeds over 14,975 recent tests.
Suddenlink Communications has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Charleston. 24% of users saw download speeds between 250-500 Mbps, and 32% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 104 Mbps | 5 Mbps | 30 ms |
| February 2, 2023 | 319 Mbps | 7 Mbps | 11 ms |
| February 2, 2023 | 5 Mbps | 2 Mbps | 33 ms |
| February 2, 2023 | 295 Mbps | 10 Mbps | 30 ms |
| February 2, 2023 | 31 Mbps | 1 Mbps | 30 ms |
| February 2, 2023 | 93 Mbps | 51 Mbps | 27 ms |
| February 2, 2023 | 17 Mbps | 1 Mbps | 25 ms |
| February 2, 2023 | 19 Mbps | 2 Mbps | 38 ms |
| February 2, 2023 | 61 Mbps | 35 Mbps | 27 ms |
| February 2, 2023 | 106 Mbps | 11 Mbps | 47 ms |
Frontier Communications is the 2nd most popular provider in Charleston offering DSL and fiber internet service. Users have been getting 15 Mbps for download speeds and 2 Mbps for upload speeds over 1,698 recent tests.
Frontier Communications 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 Charleston. 37% of users saw download speeds slower than 10 Mbps, and 61% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 4 Mbps | 1 Mbps | 29 ms |
| February 2, 2023 | 1 Mbps | 1 Mbps | 30 ms |
| February 2, 2023 | 14 Mbps | 14 Mbps | 30 ms |
| February 2, 2023 | 2 Mbps | 1 Mbps | 98 ms |
| February 2, 2023 | 1 Mbps | 1 Mbps | 562 ms |
| February 2, 2023 | 11 Mbps | 2 Mbps | 34 ms |
| February 1, 2023 | 45 Mbps | 81 Mbps | 34 ms |
| February 1, 2023 | 13 Mbps | 2 Mbps | 30 ms |
| February 1, 2023 | 6 Mbps | 6 Mbps | 9 ms |
| February 1, 2023 | 292 Mbps | 201 Mbps | 28 ms |
Lumos Networks is the 3rd most popular provider in Charleston offering DSL internet service. Users have been getting 25 Mbps for download speeds and 28 Mbps for upload speeds over 78 recent tests.
Lumos Networks has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 30% of users saw download speeds slower than 10 Mbps, and 28% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 27 Mbps | 45 Mbps | 23 ms |
| February 1, 2023 | 31 Mbps | 9 Mbps | 34 ms |
| February 1, 2023 | 5 Mbps | 4 Mbps | 11 ms |
| February 1, 2023 | 20 Mbps | 21 Mbps | 16 ms |
| January 31, 2023 | 108 Mbps | 21 Mbps | 12 ms |
| January 31, 2023 | 7 Mbps | 11 Mbps | 16 ms |
| January 30, 2023 | 2 Mbps | 1 Mbps | 17 ms |
| January 28, 2023 | 74 Mbps | 60 Mbps | 9 ms |
| January 26, 2023 | 50 Mbps | 33 Mbps | 14 ms |
| January 25, 2023 | 30 Mbps | 46 Mbps | 28 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.