Charleston residents have 3 internet providers to choose from. AT&T is the most popular provider, offering DSL internet service. In our research, we have been seeing 116 Mbps for download speeds and 1 Mbps for upload speeds for AT&T customers over 13 recent tests. Sparklight and Spectrum also have coverage in Charleston, although they are not as popular as AT&T. These providers offer cable internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| AT&T DSL | 116 Mbps | 1 Mbps | 15 ms |
| Sparklight Cable | 8 Mbps | 5 Mbps | 16 ms |
| Spectrum Cable | 33 Mbps | 10 Mbps | 16 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the most popular provider in Charleston offering DSL internet service. Users have been getting 116 Mbps for download speeds and 1 Mbps for upload speeds over 13 recent tests.
AT&T has the fastest average download speed, the 3rd fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 40% of users saw download speeds between 100-250 Mbps, and 50% of users saw upload speeds slower than 5 Mbps.
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Sparklight is the 3rd most popular provider in Charleston offering cable internet service. Users have been getting 8 Mbps for download speeds and 5 Mbps for upload speeds over 1 recent tests.
Sparklight has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Charleston. 100% of users saw download speeds slower than 10 Mbps, and 100% of users saw upload speeds between 5-10 Mbps.
Download Speeds
Upload Speeds
Spectrum is the 2nd most popular provider in Charleston offering cable internet service. Users have been getting 33 Mbps for download speeds and 10 Mbps for upload speeds over 1 recent tests.
Spectrum has the 2nd fastest average download speed, the fastest average upload speed, and the 3rd lowest latency out of all of the providers in Charleston. 100% of users saw download speeds between 25-50 Mbps, and 100% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
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