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Charleston has 13 internet options – View all▼
Charleston has two fiber providers, Frontier and Alpha Technologies. Symmetric speeds of 7,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 7,000 | 7,000 | 87% |
| Alpha Technologies | 1,000 | 1,000 | 20% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Optimum | 940 | 35 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 59% |
| MINTernet | 100 | 20 | 99% |
| T-Mobile | 100 | 20 | 99% |
| AT&T | 100 | 20 | 95% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 3 | 100% |
| HughesNet | 50 | 5 | 100% |
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) | AvailabilityCoverage |
|---|---|---|---|---|
| local2u llc | Fixed WirelessFixed Wireless | 200 | 100 | 4% |
| Frontier | DSL/CopperDSL | 115 | 7 | 5% |
| Viasat Carrier Services | Traditional SatelliteGSO Satellite | 25 | 3 | 0.8% |
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 internet providers in Charleston rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Charleston ISPs' availability as of June 2025).