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Best Internet providers in Castaic, CA
What are the best internet providers in Castaic?
The top 10 best Castaic internet providers of September 2025 is: Spectrum.
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Top rated internet providers for Castaic, CA are:
- Spectrum - Best Value
- HughesNet - Best satellite internet provider
Compare Best Home Internet Providers in Castaic, CA
#1 Spectrum Internet in Castaic, CA
Spectrum best internet plans for Castaic, CA
Internet
$49.99/mo. for 12 months
- Speeds starting at 200 Mbps
- Free Internet modem
- No data caps
Internet Ultra
$64.99/mo. for 24 months
- Speeds starting at 400 Mbps
- Free Internet modem
- No data caps
Internet Gig
$104.99/mo. for 12 months
- Get speeds up to 940 Mbps
- Free antivirus with Security Suite
- Free Internet modem
- No data caps
#2 DSL Extreme Internet in Castaic, CA
DSL Extreme best internet plans for Castaic, CA
1 Mbps Internet
$14.95/mo. for 12 mos.
- Up to 1 Mbps download speed
- Up to 384 Kbps upload speed
- Available in select Verizon areas
1.5 Mbps Internet
$24.95/mo. for 12 mos.
- Up to 1.5 Mbps download speed
- Up to 384 Kbps upload speed
- Available in select Verizon areas
3 Mbps Internet
$24.95/mo. for 12 mos.
- Up to 3 Mbps download speed
- Up to 768 Kbps upload speed
- Available in select Verizon areas
45 Mbps Internet
$47/mo. for 12 mos.
- Up to 45 Mbps download speed
- Up to 6 Mbps upload speed
- FREE Professional Installation
Summary of best Castaic internet providers
| Provider | Availibility | Download | Upload |
|---|---|---|---|
| AT&T DSL | 96% | 50 Mbps | 10 Mbps |
| Spectrum Cable | 88.5% | 400 Mbps | 20 Mbps |
| Antelecom Inc. Fixed Wireless | 16.5% | 12 Mbps | 3 Mbps |
Source data: broadbandmap.fcc.gov
Castaic Top Zip Codes
| Zip Code | Population |
|---|---|
| 91384 | 29,855 |