Business Internet Providers In Columbia

Columbia, SC has 20 business internet options. Availability varies by location—enter an address or select a region on the map to filter for business internet providers 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 | Moderate |
| Spectrum | 1,000 | 500 | Moderate |
Cable
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 35 | Moderate |
DSL
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | Limited |
Fixed Wireless
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 400 | 40 | 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 Columbia.
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) |
|---|---|---|---|
| lumos | Fiber | 5,000 | 5,000 |
| CarolinaConnect Cooperative | Fiber | 1,000 | 1,000 |
| Comporium Midlands CLEC | Fiber | 1,000 | 1,000 |
| Tricolink | Fiber | 1,000 | 1,000 |
| Fusion | Fiber | 1,000 | 1,000 |
| NetFortris | Fiber | 100 | 100 |
| Xfinity | Cable | 1,200 | 35 |
| TPx Communications | DSL/CopperDSL | 600 | 35 |
| Comporium Midlands CLEC | DSL/CopperDSL | 10-25 | 1-3 |
Broadband Map's availability estimates are based on the census boundaries of Columbia. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Columbia Business Internet Options Providers
Darker hexagons show areas of Columbia with more business internet options. Select a hexagon to view business internet providers in a specific part of Columbia.
Data Sourcing
BroadbandMap's listings of internet providers in Columbia rely primarily on the May 2025 release from the FCC's Broadband Data Collection program (representing Columbia ISPs' availability as of December 2024).