AT&T Fiber is available in Columbia. Get speeds up to 5 Gig • Sponsored AT&T Fiber is available in Columbia. Get speeds up to 5 Gig. Check availability on AT&T's Website ↗ • Sponsored
Filter by address or explore the map
Columbia has 15 internet options – View all▼
Columbia has multiple fiber providers, including AT&T and Spectrum. Symmetric speeds of 8,000 Mbps are available in parts of Columbia.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| United Communications | 8,000 | 8,000 | 2% |
| AT&T | 5,000 | 5,000 | 91% |
| Spectrum | 1,000 | 1,000 | 22% |
| Columbia Power and Water Systems | 1,000 | 100 | 5% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 1,000 | 99% |
| Columbia Power and Water Systems | 1,000 | 100 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 100% |
| T-Mobile | 100 | 20 | 100% |
| MINTernet | 100 | 20 | 95% |
| AT&T | 100 | 20 | 92% |
| United Communications | 60 | 8 | 21% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 150 | 3 | 100% |
| HughesNet | 50 | 5 | 100% |
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.
Broadband Map's listings of internet providers in Columbia rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing Columbia ISPs' availability as of December 2025).