San Carlos Internet Providers
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San Carlos has 13 internet options – View all▼
San Carlos has multiple fiber providers, including AT&T and Sonic Telecom. Symmetric speeds of 10,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Sonic Telecom | 10,000 | 10,000 | 95% |
| AT&T | 5,000 | 5,000 | 100% |
| Xfinity | 2,000 | 250 | 4% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 250 | 96% |
| Astound | 1,500 | 50 | 12% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Etheric Networks | 250 | 100 | 100% |
| Verizon | 300 | 20 | 100% |
| MINTernet | 100 | 20 | 100% |
| T-Mobile | 100 | 20 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 100% |
| Viasat | 100 | 3 | 100% |
| Viasat Carrier Services | 25 | 3 | 6% |
Broadband Map's availability estimates are based on the census boundaries of San Carlos. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in San Carlos rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing San Carlos ISPs' availability as of June 2025).