Charleston Business Internet
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Charleston has 13 business internet options – View all▼
Charleston has one business fiber provider, Frontier, and one business cable provider, Optimum.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 7,000 | 7,000 | Moderate |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Optimum | 2,000 | 200 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 115 | 10 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| local2u llc | 200 | 100 | Low |
| Verizon | 200 | 30 | High |
| T-Mobile | 100 | 20 | High |
| AT&T | 100 | 6 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 4 | High |
| HughesNet | 50 | 5 | High |
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) | AvailabilityCoverage |
|---|---|---|---|---|
| Xfinity | Fiber | 500 | 500 | Low |
| Xfinity | Cable | 1,200 | 35 | Low |
| Shentel | Cable | 1,000 | 50 | Low |
Broadband Map's availability estimates are based on the census boundaries of Charleston. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of business internet providers in Charleston rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing Charleston ISPs' availability as of December 2025).