Castaic Business Internet
Setting Up Map
Loading Data
Filter by address or explore the map
Castaic has 15 business internet options – View all▼
Castaic has multiple business fiber providers, including Vast Networks and AT&T.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Vast Networks | 10,000 | 10,000 | Moderate |
| AT&T | 5,000 | 5,000 | Moderate |
| Spectrum | 1,000 | 500 | Moderate |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 35 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| GeoLinks | 200 | 200 | High |
| Verizon | 200 | 30 | High |
| AT&T | 100 | 6 | High |
| T-Mobile | 25 | 3 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | High |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 4 | High |
| HughesNet | 50 | 5 | High |
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) | AvailabilityCoverage |
|---|---|---|---|---|
| TPx Communications | DSL/CopperDSL | 75 | 8 | Limited |
| MN FWA Buyer | Fixed WirelessFixed Wireless | 0.2-10 | <1 | Limited |
| Viasat Carrier Services | Traditional SatelliteGSO Satellite | 25 | 3 | Limited |
Broadband Map's availability estimates are based on the census boundaries of Castaic. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of business internet providers in Castaic rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Castaic ISPs' availability as of June 2025).