Internet Speeds in Castaic, CA

In Castaic there are 3 internet service providers, with AT&T being the most popular. AT&T offers DSL and fixed wireless internet service. In recent tests, AT&T customers had an average download speed of 42 Mbps and an average upload speed of 10 Mbps. In addition to AT&T, Spectrum and GeoLinks offer cable and fixed wireless internet service.

While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.

Last updated on September 26, 2023
ProviderDownload SpeedUpload SpeedLatency
AT&T
DSL
Fixed Wireless
View Details →
42 Mbps10 Mbps23 ms
Spectrum
Cable
View Details →
217 Mbps12 Mbps12 ms
GeoLinks
Fixed Wireless
View Details →
12 Mbps2 Mbps16 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Castaic, CA

AT&T

DSL
Fixed Wireless

Download Speed

42Mbps

Upload Speed

10Mbps

Latency

23ms

Overview

AT&T is the most popular provider in Castaic offering DSL and fixed wireless internet service. Users have been getting 42 Mbps for download speeds and 10 Mbps for upload speeds over 2,074 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Castaic. 47% of users saw download speeds between 25-50 Mbps, and 50% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Castaic

DateDownload SpeedUpload SpeedLatency
September 24, 202350 Mbps12 Mbps24 ms
September 24, 202329 Mbps2 Mbps36 ms
September 24, 202346 Mbps12 Mbps33 ms
September 23, 202347 Mbps10 Mbps22 ms
September 23, 202347 Mbps12 Mbpsn/a ms
September 22, 202327 Mbps4 Mbps19 ms
September 22, 202353 Mbps10 Mbps20 ms
September 22, 202346 Mbps12 Mbps26 ms
September 22, 202349 Mbps10 Mbps21 ms
September 22, 202343 Mbps8 Mbps24 ms

Spectrum

Cable

Download Speed

217Mbps

Upload Speed

12Mbps

Latency

12ms

Overview

Spectrum is the 2nd most popular provider in Castaic offering cable internet service. Users have been getting 217 Mbps for download speeds and 12 Mbps for upload speeds over 1,129 recent tests.

Performance Breakdown

Spectrum has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Castaic. 38% of users saw download speeds between 250-500 Mbps, and 65% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Spectrum Speed Tests in Castaic

DateDownload SpeedUpload SpeedLatency
September 24, 202331 Mbps8 Mbps12 ms
September 24, 2023355 Mbps11 Mbps6 ms
September 24, 2023234 Mbps20 Mbps4 ms
September 24, 2023243 Mbps10 Mbps13 ms
September 23, 2023355 Mbps11 Mbps12 ms
September 23, 2023282 Mbps23 Mbps12 ms
September 22, 2023417 Mbps23 Mbps9 ms
September 22, 2023108 Mbps10 Mbps9 ms
September 22, 2023254 Mbps22 Mbps50 ms
September 22, 2023543 Mbps22 Mbps9 ms

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Frequently Asked Questions

What internet providers are available in Castaic, CA?

AT&T, Spectrum and GeoLinks currently operate in Castaic.

What is the most popular internet provider in Castaic, CA?

AT&T is currently the most popular internet provider in Castaic based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Castaic, CA?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Castaic are getting, Spectrum provides the fastest download speeds and Spectrum provides the fastest upload speeds.

Is there fiber internet in Castaic, CA?

There are no providers currently offering fiber internet in Castaic.