Charleston residents have 4 internet providers to choose from. Xfinity is the most popular provider, offering cable internet service. In our research, we have been seeing 117 Mbps for download speeds and 12 Mbps for upload speeds for Xfinity customers over 17,262 recent tests. AT&T, WOW! and Home Telecom also have coverage in Charleston, although they are not as popular as Xfinity. These providers offer DSL, fiber, fixed wireless and cable internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable | 117 Mbps | 12 Mbps | 43 ms |
| AT&T DSL Fiber Fixed Wireless | 76 Mbps | 43 Mbps | 20 ms |
| WOW! Cable Fiber | 131 Mbps | 17 Mbps | 31 ms |
| Home Telecom Cable DSL Fiber | 100 Mbps | 93 Mbps | 22 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Charleston offering cable internet service. Users have been getting 117 Mbps for download speeds and 12 Mbps for upload speeds over 17,262 recent tests.
Xfinity has the 2nd fastest average download speed, the 4th fastest average upload speed, and the 4th lowest latency out of all of the providers in Charleston. 31% of users saw download speeds between 100-250 Mbps, and 53% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| May 28, 2023 | 4 Mbps | 4 Mbps | 64 ms |
| May 28, 2023 | 265 Mbps | 39 Mbps | 39 ms |
| May 28, 2023 | 30 Mbps | 1 Mbps | 56 ms |
| May 28, 2023 | 195 Mbps | 5 Mbps | 89 ms |
| May 28, 2023 | 225 Mbps | 22 Mbps | 54 ms |
| May 28, 2023 | 229 Mbps | 38 Mbps | 54 ms |
| May 28, 2023 | 30 Mbps | 1 Mbps | 41 ms |
| May 28, 2023 | 316 Mbps | 301 Mbps | n/a ms |
| May 28, 2023 | 37 Mbps | 8 Mbps | 76 ms |
| May 28, 2023 | 44 Mbps | 11 Mbps | 58 ms |
AT&T is the 2nd most popular provider in Charleston offering DSL, fiber and fixed wireless internet service. Users have been getting 76 Mbps for download speeds and 43 Mbps for upload speeds over 6,025 recent tests.
AT&T has the 4th fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 20% of users saw download speeds between 250-500 Mbps, and 19% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| May 28, 2023 | 223 Mbps | 66 Mbps | 10 ms |
| May 28, 2023 | 39 Mbps | 16 Mbps | 27 ms |
| May 28, 2023 | 219 Mbps | 220 Mbps | 45 ms |
| May 28, 2023 | 626 Mbps | 704 Mbps | 8 ms |
| May 28, 2023 | 56 Mbps | 51 Mbps | 22 ms |
| May 28, 2023 | 45 Mbps | 66 Mbps | 22 ms |
| May 28, 2023 | 218 Mbps | 209 Mbps | 23 ms |
| May 28, 2023 | 198 Mbps | 243 Mbps | 11 ms |
| May 28, 2023 | 229 Mbps | 313 Mbps | 21 ms |
| May 28, 2023 | 53 Mbps | 58 Mbps | 31 ms |
WOW! is the 3rd most popular provider in Charleston offering cable and fiber internet service. Users have been getting 131 Mbps for download speeds and 17 Mbps for upload speeds over 5,552 recent tests.
WOW! has the 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 between 100-250 Mbps, and 36% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| May 28, 2023 | 179 Mbps | 181 Mbps | 201 ms |
| May 28, 2023 | 6 Mbps | 2 Mbps | 47 ms |
| May 28, 2023 | 105 Mbps | 11 Mbps | 45 ms |
| May 28, 2023 | 702 Mbps | 55 Mbps | 40 ms |
| May 28, 2023 | 220 Mbps | 10 Mbps | n/a ms |
| May 28, 2023 | 67 Mbps | 35 Mbps | 33 ms |
| May 28, 2023 | 102 Mbps | 12 Mbps | 41 ms |
| May 28, 2023 | 76 Mbps | 9 Mbps | 38 ms |
| May 28, 2023 | 155 Mbps | 48 Mbps | 26 ms |
| May 28, 2023 | 130 Mbps | 16 Mbps | 42 ms |
Home Telecom is the 4th most popular provider in Charleston offering cable, DSL and fiber internet service. Users have been getting 100 Mbps for download speeds and 93 Mbps for upload speeds over 1,792 recent tests.
Home Telecom 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. 27% of users saw download speeds between 50-100 Mbps, and 28% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| May 28, 2023 | 598 Mbps | 155 Mbps | 32 ms |
| May 28, 2023 | 72 Mbps | 36 Mbps | 19 ms |
| May 28, 2023 | 49 Mbps | 47 Mbps | 31 ms |
| May 27, 2023 | 496 Mbps | 492 Mbps | 31 ms |
| May 27, 2023 | 278 Mbps | 170 Mbps | 14 ms |
| May 27, 2023 | 98 Mbps | 117 Mbps | 31 ms |
| May 27, 2023 | 321 Mbps | 336 Mbps | 31 ms |
| May 27, 2023 | 203 Mbps | 192 Mbps | 31 ms |
| May 27, 2023 | 596 Mbps | 642 Mbps | 35 ms |
| May 27, 2023 | 245 Mbps | 119 Mbps | 27 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.