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 129 Mbps for download speeds and 17 Mbps for upload speeds for Xfinity customers over 20,922 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 | 129 Mbps | 17 Mbps | 40 ms |
| AT&T DSL Fiber Fixed Wireless | 133 Mbps | 77 Mbps | 25 ms |
| WOW! Cable Fiber | 108 Mbps | 23 Mbps | 41 ms |
| Home Telecom Cable DSL Fiber | 119 Mbps | 93 Mbps | 31 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 129 Mbps for download speeds and 17 Mbps for upload speeds over 20,922 recent tests.
Xfinity has the 2nd fastest average download speed, the 4th fastest average upload speed, and the 3rd lowest latency out of all of the providers in Charleston. 30% 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 17, 2024 | 117 Mbps | 17 Mbps | 37 ms |
| June 17, 2024 | 15 Mbps | 11 Mbps | 55 ms |
| June 17, 2024 | 484 Mbps | 23 Mbps | 43 ms |
| June 17, 2024 | 6 Mbps | 10 Mbps | 43 ms |
| June 17, 2024 | 226 Mbps | 8 Mbps | 53 ms |
| June 17, 2024 | 115 Mbps | 21 Mbps | 41 ms |
| June 17, 2024 | 115 Mbps | 13 Mbps | 51 ms |
| June 17, 2024 | 272 Mbps | 11 Mbps | 39 ms |
| June 17, 2024 | 208 Mbps | 10 Mbps | 37 ms |
| June 17, 2024 | 234 Mbps | 23 Mbps | 40 ms |
AT&T is the 2nd most popular provider in Charleston offering DSL, fiber and fixed wireless internet service. Users have been getting 133 Mbps for download speeds and 77 Mbps for upload speeds over 7,124 recent tests.
AT&T has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 25% of users saw download speeds between 250-500 Mbps, and 30% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 50 Mbps | 12 Mbps | 39 ms |
| June 17, 2024 | 91 Mbps | 89 Mbps | 32 ms |
| June 17, 2024 | 349 Mbps | 145 Mbps | 23 ms |
| June 17, 2024 | 45 Mbps | 6 Mbps | 51 ms |
| June 17, 2024 | 115 Mbps | 51 Mbps | 25 ms |
| June 17, 2024 | 209 Mbps | 295 Mbps | 23 ms |
| June 17, 2024 | 697 Mbps | 603 Mbps | 35 ms |
| June 17, 2024 | 744 Mbps | 670 Mbps | 18 ms |
| June 17, 2024 | 465 Mbps | 404 Mbps | 33 ms |
| June 17, 2024 | 76 Mbps | 68 Mbps | 26 ms |
WOW! is the 3rd most popular provider in Charleston offering cable and fiber internet service. Users have been getting 108 Mbps for download speeds and 23 Mbps for upload speeds over 4,122 recent tests.
WOW! has the 4th fastest average download speed, the 3rd fastest average upload speed, and the 4th lowest latency out of all of the providers in Charleston. 27% of users saw download speeds between 250-500 Mbps, and 35% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 59 Mbps | 3 Mbps | 47 ms |
| June 17, 2024 | 37 Mbps | 17 Mbps | 42 ms |
| June 17, 2024 | 388 Mbps | 23 Mbps | 40 ms |
| June 17, 2024 | 58 Mbps | 19 Mbps | 33 ms |
| June 17, 2024 | 285 Mbps | 55 Mbps | 45 ms |
| June 17, 2024 | 140 Mbps | 29 Mbps | 42 ms |
| June 17, 2024 | 5 Mbps | 9 Mbps | 40 ms |
| June 17, 2024 | 267 Mbps | 16 Mbps | 47 ms |
| June 17, 2024 | 92 Mbps | 53 Mbps | 35 ms |
| June 17, 2024 | 93 Mbps | 6 Mbps | 74 ms |
Home Telecom is the 4th most popular provider in Charleston offering cable, DSL and fiber internet service. Users have been getting 119 Mbps for download speeds and 93 Mbps for upload speeds over 1,658 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. 28% of users saw download speeds between 250-500 Mbps, and 30% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 217 Mbps | 815 Mbps | 22 ms |
| June 17, 2024 | 570 Mbps | 513 Mbps | 437 ms |
| June 17, 2024 | 814 Mbps | 815 Mbps | 197 ms |
| June 17, 2024 | 144 Mbps | 43 Mbps | 24 ms |
| June 17, 2024 | 420 Mbps | 425 Mbps | 22 ms |
| June 17, 2024 | 70 Mbps | 260 Mbps | 27 ms |
| June 17, 2024 | 65 Mbps | 3 Mbps | 35 ms |
| June 17, 2024 | 88 Mbps | 1 Mbps | 32 ms |
| June 16, 2024 | 105 Mbps | 71 Mbps | 29 ms |
| June 16, 2024 | 21 Mbps | 250 Mbps | 23 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.