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 18,464 recent tests. WOW!, AT&T and Home Telecom also have coverage in Charleston, although they are not as popular as Xfinity. These providers offer cable, fiber, DSL and fixed wireless internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable | 117 Mbps | 12 Mbps | 41 ms |
| WOW! Cable Fiber | 111 Mbps | 14 Mbps | 30 ms |
| AT&T DSL Fiber Fixed Wireless | 93 Mbps | 44 Mbps | 23 ms |
| Home Telecom Cable DSL Fiber | 105 Mbps | 90 Mbps | 20 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 18,464 recent tests.
Xfinity has the fastest average download speed, the 4th fastest average upload speed, and the 4th lowest latency out of all of the providers in Charleston. 30% of users saw download speeds between 100-250 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 21, 2023 | 95 Mbps | 24 Mbps | n/a ms |
| January 21, 2023 | 1 Mbps | 9 Mbps | 40 ms |
| January 21, 2023 | 153 Mbps | 10 Mbps | 70 ms |
| January 21, 2023 | 29 Mbps | 10 Mbps | 59 ms |
| January 21, 2023 | 2 Mbps | 11 Mbps | 95 ms |
| January 21, 2023 | 20 Mbps | 12 Mbps | 45 ms |
| January 21, 2023 | 68 Mbps | 10 Mbps | 44 ms |
| January 21, 2023 | 348 Mbps | 23 Mbps | 43 ms |
| January 21, 2023 | 254 Mbps | 23 Mbps | 60 ms |
| January 21, 2023 | 92 Mbps | 23 Mbps | 39 ms |
WOW! is the 2nd most popular provider in Charleston offering cable and fiber internet service. Users have been getting 111 Mbps for download speeds and 14 Mbps for upload speeds over 5,013 recent tests.
WOW! 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. 34% of users saw download speeds between 100-250 Mbps, and 39% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 21, 2023 | 19 Mbps | 19 Mbps | 20 ms |
| January 21, 2023 | 3 Mbps | 2 Mbps | 79 ms |
| January 21, 2023 | 490 Mbps | 55 Mbps | 37 ms |
| January 21, 2023 | 267 Mbps | 48 Mbps | 30 ms |
| January 21, 2023 | 28 Mbps | 5 Mbps | 33 ms |
| January 21, 2023 | 652 Mbps | 46 Mbps | 21 ms |
| January 21, 2023 | 51 Mbps | 10 Mbps | n/a ms |
| January 21, 2023 | 346 Mbps | 1 Mbps | 24 ms |
| January 21, 2023 | 5 Mbps | 1 Mbps | 99 ms |
| January 21, 2023 | 453 Mbps | 55 Mbps | 24 ms |
AT&T is the 3rd most popular provider in Charleston offering DSL, fiber and fixed wireless internet service. Users have been getting 93 Mbps for download speeds and 44 Mbps for upload speeds over 4,525 recent tests.
AT&T has the 4th fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Charleston. 23% of users saw download speeds between 250-500 Mbps, and 22% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 21, 2023 | 28 Mbps | 2 Mbps | 42 ms |
| January 21, 2023 | 105 Mbps | 47 Mbps | 20 ms |
| January 21, 2023 | 23 Mbps | 3 Mbps | 47 ms |
| January 21, 2023 | 150 Mbps | 139 Mbps | 23 ms |
| January 21, 2023 | 49 Mbps | 12 Mbps | n/a ms |
| January 21, 2023 | 507 Mbps | 711 Mbps | 18 ms |
| January 21, 2023 | 31 Mbps | 12 Mbps | 22 ms |
| January 21, 2023 | 234 Mbps | 103 Mbps | 24 ms |
| January 21, 2023 | 383 Mbps | 420 Mbps | 23 ms |
| January 21, 2023 | 50 Mbps | 19 Mbps | 55 ms |
Home Telecom is the 4th most popular provider in Charleston offering cable, DSL and fiber internet service. Users have been getting 105 Mbps for download speeds and 90 Mbps for upload speeds over 2,086 recent tests.
Home Telecom has the 3rd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 25% of users saw download speeds between 50-100 Mbps, and 31% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 21, 2023 | 36 Mbps | 14 Mbps | 24 ms |
| January 21, 2023 | 252 Mbps | 170 Mbps | 15 ms |
| January 20, 2023 | 213 Mbps | 169 Mbps | 24 ms |
| January 20, 2023 | 725 Mbps | 696 Mbps | 14 ms |
| January 20, 2023 | 90 Mbps | 61 Mbps | 25 ms |
| January 20, 2023 | 255 Mbps | 250 Mbps | 17 ms |
| January 20, 2023 | 332 Mbps | 171 Mbps | 14 ms |
| January 20, 2023 | 112 Mbps | 74 Mbps | 36 ms |
| January 20, 2023 | 63 Mbps | 69 Mbps | 15 ms |
| January 20, 2023 | 146 Mbps | 208 Mbps | 21 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.