RealSpeeds

Internet Speeds in San Diego, CA

Residents of San Diego have 4 internet providers to choose from. The most popular provider is Spectrum, which offers cable internet service. Over 151,569 recent tests, our research shows that Spectrum customers have been getting 126 Mbps for download speeds and 12 Mbps for upload speeds. Besides Spectrum, residents of San Diego may be able to choose from Cox Communications, AT&T and Webpass which offer cable, fiber, DSL and fixed wireless internet service.

While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.

Last updated on May 12 2022
ProviderDownload SpeedUpload Speed
Spectrum
Cable
View Details →
126 Mbps12 Mbps
Cox Communications
Cable
Fiber
View Details →
102 Mbps12 Mbps
AT&T
DSL
Fiber
Fixed Wireless
View Details →
101 Mbps50 Mbps
Webpass
Fiber
Fixed Wireless
View Details →
223 Mbps146 Mbps
* Data from speed tests taken in the last 3 months

Internet Providers in San Diego, CA

Spectrum

Cable

Download Speed

126Mbps

Upload Speed

12Mbps

Overview

Spectrum is the most popular provider in San Diego offering cable internet service. Users have been getting 126 Mbps for download speeds and 12 Mbps for upload speeds over 151,569 recent tests.

Speed Breakdown

Spectrum has the 2nd fastest average download speeds and the 4th fastest average upload speeds out of all of the providers in San Diego. 41% of users saw download speeds between 100-250 Mbps, and 55% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Cox Communications

Cable
Fiber

Download Speed

102Mbps

Upload Speed

12Mbps

Overview

Cox Communications is the 2nd most popular provider in San Diego offering cable and fiber internet service. Users have been getting 102 Mbps for download speeds and 12 Mbps for upload speeds over 136,336 recent tests.

Speed Breakdown

Cox Communications has the 3rd fastest average download speeds and the 3rd fastest average upload speeds out of all of the providers in San Diego. 23% of users saw download speeds between 100-250 Mbps, and 37% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

101Mbps

Upload Speed

50Mbps

Overview

AT&T is the 3rd most popular provider in San Diego offering DSL, fiber and fixed wireless internet service. Users have been getting 101 Mbps for download speeds and 50 Mbps for upload speeds over 96,306 recent tests.

Speed Breakdown

AT&T has the 4th fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in San Diego. 19% of users saw download speeds between 250-500 Mbps, and 21% of users saw upload speeds slower than 5 Mbps.

Download Speeds

Upload Speeds

Webpass

Fiber
Fixed Wireless

Download Speed

223Mbps

Upload Speed

146Mbps

Overview

Webpass is the 4th most popular provider in San Diego offering fiber and fixed wireless internet service. Users have been getting 223 Mbps for download speeds and 146 Mbps for upload speeds over 33,661 recent tests.

Speed Breakdown

Webpass has the fastest average download speeds and the fastest average upload speeds out of all of the providers in San Diego. 27% of users saw download speeds between 100-250 Mbps, and 26% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

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Frequently Asked Questions

What internet providers are available in San Diego, CA?

Spectrum, Cox Communications, AT&T and Webpass currently operate in San Diego.

What is the most popular internet provider in San Diego, CA?

Spectrum is currently the most popular internet provider in San Diego based on the number of speed tests in the last 3 months.

What is the fastest internet provider in San Diego, 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 San Diego are getting, Webpass provides the fastest download speeds and Webpass provides the fastest upload speeds.