Frontier is available in San Dimas. Call 833‑547‑0285 • Sponsored Frontier is available in San Dimas. Check plans and availability ↗ or call 833‑547‑0285 • Sponsored
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San Dimas has 13 internet options – View all▼
San Dimas has two fiber providers, Frontier and Spectrum. Symmetric speeds of 7,000 Mbps are available in parts of San Dimas.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 7,000 | 7,000 | 99% |
| Spectrum | 1,000 | 500 | 51% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 1,000 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 50 | 10 | 8% |
| Frontier | 10-25 | 1-3 | 12% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| GeoLinks | 1,000 | 1,000 | 74% |
| T-Mobile | Up to 498 Mbps498 | Up to 55 Mbps55 | 99% |
| Verizon | 300 | 20 | 99% |
| AT&T | 100 | 20 | 99% |
| MINTernet | 100 | 20 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 3 | 100% |
| HughesNet | 50 | 5 | 100% |
Broadband Map's availability estimates are based on the census boundaries of San Dimas. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in San Dimas rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing San Dimas ISPs' availability as of December 2025).