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San Marcos has 19 business internet options – View all▼
San Marcos has two business fiber providers, AT&T and Cox.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 5,000 | 5,000 | Moderate |
| Cox | 2,000 | 2,000 | Limited |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Cox | 2,000 | 500 | Moderate |
| Spectrum | 1,000 | 35 | Moderate |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| TPx Communications | 1,000 | 100 | Limited |
| AT&T | 100 | 20 | Limited |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| EarthLink Business | 1,000 | 1,000 | Limited |
| San Diego | 500 | 100 | High |
| Verizon | 200 | 30 | High |
| Lightwave | 150 | 40 | Moderate |
| T-Mobile | 100 | 20 | High |
| AT&T | 100 | 6 | Limited |
| GeoLinks | 50 | 50 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 150 | 4 | High |
| HughesNet | 100 | 5 | High |
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) | AvailabilityCoverage |
|---|---|---|---|---|
| Astound | Fiber | 2,000 | 2,000 | Limited |
| Zayo Group | Fiber | 1,000 | 1,000 | Limited |
| Spectrum | Fiber | 1,000 | 500 | Limited |
| Viasat Carrier Services | Traditional SatelliteGSO Satellite | 25 | 3 | Limited |
Broadband Map's availability estimates are based on the census boundaries of San Marcos. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of business internet providers in San Marcos rely primarily on the May 2025 release from the FCC's Broadband Data Collection program (representing San Marcos ISPs' availability as of December 2024).