Charleston residents have 4 internet providers to choose from. Suddenlink Communications is the most popular provider, offering cable internet service. In our research, we have been seeing 106 Mbps for download speeds and 17 Mbps for upload speeds for Suddenlink Communications customers over 22,528 recent tests. Frontier Communications, Lumos Networks and Xfinity also have coverage in Charleston, although they are not as popular as Suddenlink Communications. These providers offer DSL, fiber and cable internet service.
See more detailed speed and coverage data below.
Provider | Download Speed | Upload Speed | Latency |
---|---|---|---|
Suddenlink Communications Cable | 106 Mbps | 17 Mbps | 28 ms |
Frontier Communications DSL Fiber | 18 Mbps | 2 Mbps | 35 ms |
Lumos Networks DSL | 46 Mbps | 26 Mbps | 18 ms |
Xfinity Cable | 157 Mbps | 23 Mbps | 13 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 106 Mbps for download speeds and 17 Mbps for upload speeds over 22,528 recent tests.
Suddenlink Communications has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Charleston. 28% of users saw download speeds between 250-500 Mbps, and 38% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
Date | Download Speed | Upload Speed | Latency |
---|---|---|---|
June 3, 2023 | 106 Mbps | 11 Mbps | 27 ms |
June 3, 2023 | 313 Mbps | 21 Mbps | 32 ms |
June 3, 2023 | 702 Mbps | 49 Mbps | 27 ms |
June 3, 2023 | 307 Mbps | 21 Mbps | 26 ms |
June 3, 2023 | 14 Mbps | 1 Mbps | 45 ms |
June 3, 2023 | 400 Mbps | 42 Mbps | 28 ms |
June 3, 2023 | 222 Mbps | 21 Mbps | 30 ms |
June 3, 2023 | 29 Mbps | 8 Mbps | 30 ms |
June 3, 2023 | 616 Mbps | 51 Mbps | 42 ms |
June 3, 2023 | 79 Mbps | 1 Mbps | 24 ms |
Frontier Communications is the 2nd most popular provider in Charleston offering DSL and fiber internet service. Users have been getting 18 Mbps for download speeds and 2 Mbps for upload speeds over 10,699 recent tests.
Frontier Communications has the 4th fastest average download speed, the 4th fastest average upload speed, and the 4th lowest latency out of all of the providers in Charleston. 32% of users saw download speeds slower than 10 Mbps, and 62% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
Date | Download Speed | Upload Speed | Latency |
---|---|---|---|
June 3, 2023 | 47 Mbps | 43 Mbps | 30 ms |
June 3, 2023 | 19 Mbps | 18 Mbps | 27 ms |
June 3, 2023 | 16 Mbps | 1 Mbps | 35 ms |
June 3, 2023 | 14 Mbps | 2 Mbps | 30 ms |
June 3, 2023 | 3 Mbps | 1 Mbps | 18 ms |
June 3, 2023 | 375 Mbps | 399 Mbps | 38 ms |
June 3, 2023 | 12 Mbps | 13 Mbps | 40 ms |
June 3, 2023 | 11 Mbps | 1 Mbps | 39 ms |
June 3, 2023 | 10 Mbps | 1 Mbps | 67 ms |
June 3, 2023 | 32 Mbps | 3 Mbps | 39 ms |
Lumos Networks is the 3rd most popular provider in Charleston offering DSL internet service. Users have been getting 46 Mbps for download speeds and 26 Mbps for upload speeds over 234 recent tests.
Lumos Networks has the 3rd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Charleston. 25% of users saw download speeds between 25-50 Mbps, and 21% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
Date | Download Speed | Upload Speed | Latency |
---|---|---|---|
June 3, 2023 | 3 Mbps | 7 Mbps | 30 ms |
June 2, 2023 | 139 Mbps | 160 Mbps | 13 ms |
June 2, 2023 | 64 Mbps | 73 Mbps | 33 ms |
June 1, 2023 | 219 Mbps | 164 Mbps | 19 ms |
May 31, 2023 | 128 Mbps | 141 Mbps | 27 ms |
May 29, 2023 | 2 Mbps | 4 Mbps | 390 ms |
May 28, 2023 | 24 Mbps | 1 Mbps | 13 ms |
May 27, 2023 | 38 Mbps | 57 Mbps | 35 ms |
May 27, 2023 | 14 Mbps | 12 Mbps | 13 ms |
May 27, 2023 | 26 Mbps | 4 Mbps | 12 ms |
Xfinity is the 4th most popular provider in Charleston offering cable internet service. Users have been getting 157 Mbps for download speeds and 23 Mbps for upload speeds over 214 recent tests.
Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 27% of users saw download speeds between 100-250 Mbps, and 55% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
Date | Download Speed | Upload Speed | Latency |
---|---|---|---|
June 3, 2023 | 1 Mbps | 1 Mbps | 75 ms |
June 3, 2023 | 349 Mbps | 39 Mbps | 37 ms |
June 3, 2023 | 22 Mbps | 12 Mbps | 49 ms |
June 3, 2023 | 16 Mbps | 1 Mbps | 21 ms |
June 3, 2023 | 354 Mbps | 36 Mbps | 11 ms |
June 3, 2023 | 46 Mbps | 20 Mbps | 26 ms |
June 3, 2023 | 155 Mbps | 11 Mbps | 19 ms |
June 3, 2023 | 151 Mbps | 26 Mbps | 14 ms |
June 2, 2023 | 165 Mbps | 23 Mbps | n/a ms |
June 2, 2023 | 84 Mbps | 37 Mbps | 19 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.