Business Internet Providers In Charleston
Charleston, SC has 17 business internet options. Availability varies by location—enter your business address below or select a region on the map to see which business internet providers are available in your area.
Download and upload speed estimates are in megabits per second (Mbps).
Fiber
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 5,000 | 5,000 | High |
| Xfinity | 5,000 | 5,000 | Limited |
| Home Telecom | 1,000 | 1,000 | Limited |
Cable
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 300 | High |
| WOW | 1,200 | 50 | Moderate |
DSL
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | Limited |
Fixed Wireless
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 200 | 30 | High |
| T-Mobile | 100 | 20 | High |
| AT&T | 100 | 6 | Limited |
Low-Availability Business Internet Options
The following providers offer business service in a very small portion of Charleston.
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) |
|---|---|---|---|
| Spectrum | Fiber | 1,000 | 500 |
| WOW | Fiber | 1,000 | 50 |
| NetFortris | Fiber | 100 | 100 |
| Spectrum | Cable | 1,000 | 35 |
| TPx Communications | DSL/CopperDSL | 200 | 20 |
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.
Charleston Business Internet Options Map
Darker hexagons show areas of Charleston with more business internet options. Select a hexagon to view business internet providers in a specific part of Charleston.
Data Sourcing
BroadbandMap's Internet availability information relies heavily on the May 2025 release from the FCC's Broadband Data Collection program (representing ISPs' availability as of December 2024).