Internet providers in San Diego, CA

Shop the best San Diego internet providers for your home and compare available internet plans all in one place, for free.

Residential internet providers in San Diego, CA by availability

ProviderStarting price*Speed rangeInternet typeSan Diego average availability
AT&T DSL$30/mo.5 – 100 MbpsDSL98%
Cox$19.99/mo.10 – 1,000 MbpsCable94%
AT&T Fiber$40/mo.100 – 1,000 MbpsFiber40%
Spectrum$44.99/mo.200 – 940 MbpsCable23%
Google Fiber$50/mo.100 – 1,000 MbpsFiber6%

The three largest internet providers in San Diego are AT&T, Cox and Spectrum.

AT&T covers much of the San Diego area with their DSL service, including Uptown, North Park, Brooklyn Heights, Stockton, National City, Paradise Hills, Coronado, Chula Vista, La Mesa and most of Old Town. AT&T’s fiber-optic internet is available to around 40% of San Diego residents, with coverage in select neighborhoods as well as parts of Chula Vista and Santee.

Cox is the major cable internet provider in San Diego with coverage throughout most of the city. Primary Cox service areas in San Diego include Mission Hills, North Park, Normal Heights, National City, Paradise Hills, Ocean Beach and Imperial Beach. Cox is also available in select San Diego suburbs such as El Cajon, Poway, Encinitas and Escondido.

Spectrum doesn’t offer much coverage within the city limits of San Diego, but does offer service in Coronado and surrounding communities. San Diego suburbs that may have Spectrum as their primary cable internet provider include Clairemont, Pacific Beach, Mira Mesa, University City and Carmel Valley.

Google Fiber is available in specific pockets throughout San Diego. The greatest chance for serviceability is in the Gaslamp Quarter, Columbia District and Cortez Hill. Even in these areas, availability is limited to specific blocks or even building units.

Discover which San Diego internet providers are available for your home, and compare plans, speeds and more with Allconnect®.

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Compare the largest San Diego internet providers


AT&T is the largest DSL and fiber-optic internet provider in San Diego. Internet speeds for their DSL service range from 5 to 100 Mbps while AT&T Fiber can deliver speeds 100 to 1,000 Mbps.

Why San Diego residents love it

  • Equipment included – AT&T includes their Wi-Fi Gateway router with all internet plans.
  • Bundle savings – Add DIRECTV or AT&T U-verse for extra savings on your AT&T internet plan.


Cox is the largest cable internet provider in San Diego, covering much of the city and surrounding areas. Available Cox internet speeds in San Diego range from 10 to 1,000 Mbps.

Why San Diego residents love it

  • Cheap internet plans – Cox offers a number of low-cost internet plans in San Diego.
  • No speed throttling – Cox claims to never throttle internet speeds or interfere with your connection for any reason.


Spectrum is the second-largest cable internet provider in San Diego and offers service primarily in surrounding areas where Cox is unavailable. Internet speeds range from 200 to 940 Mbps.

Why San Diego residents love it

  • No data cap – Spectrum internet comes with no data cap, so you don’t have to worry about going over.
  • No contract – You don’t have to sign a contract to get Spectrum internet.

Fastest internet providers in San Diego

San Diego has access to some of the fastest speeds available in the U.S. with speeds up to 1,000 Mbps available throughout much of the city from multiple providers. With gigabit speeds, you’ll have plenty of bandwidth to stream HD and 4K video, game online and more on multiple devices.

Fastest max advertised download speeds in San Diego

AT&T Fiber is available to about 40% of San Diego residents and offers internet download speeds up to 1,000 Mbps where available. If you choose the AT&T Internet 1000 plan, you’ll also get unlimited data and the AT&T wireless gateway router included at no extra cost.

Cox’s Gigablast plan, with speeds up to 1,000 Mbps is available throughout much of the San Diego area. Where Cox is unavailable, Spectrum is likely to offer their fastest plan with speeds up to 940 Mbps. While not quite as fast as the AT&T Internet 1000 or Cox Gigablast plans, Spectrum’s fastest internet plan still gives you plenty of speed for virtually all online activities.

Where you live in San Diego will determine which internet providers and speeds are available. Find out what internet speeds you can get for your home with our resources.

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Free Wi-Fi hotspots in San Diego

If you’re out and about in San Diego, there are many places where you can connect to free Wi-Fi hotspots. When using a public network, keep in mind that others can connect to the network as well. Avoid online activity that includes passwords or sensitive information that you wouldn’t want others to see.

Here are a few public places where you can find free Wi-Fi in San Diego:

  • San Diego public libraries, all branches
  • Local attractions including Balboa Park, Sea World, Reuben H Fleet Science Center and Petco Park
  • San Diego public transportation facilities including San Diego International Airport, Santa Fe Depot Amtrak Station and B Street Cruise Ship Terminal
  • Local cafes and coffee shops including Cyberbrew Coffee, Krakatoa, Santos Coffee House, Sip This Coffee, Urban Grind and Caffe Carpe Diem
  • Local restaurants and bars including Landini’s Pizzeria, Galileo 101 Ristorante & Bar, Kung Food, The Aero Club, L Bar & Grill and Toscana Cafe Wine Bar

Along with these free Wi-Fi hotspots in San Diego, AT&T, Cox and Spectrum also offer free provider hotspots throughout the city. If you have AT&T, Cox or Spectrum, you’ll have access to their free Wi-Fi hotspots in San Diego as well as other hotspots across the U.S.

Moving to San Diego?

We want to make your move a little easier. Here are some useful links to help you get acquainted with San Diego.

When moving, rely on our experts to help you shop internet providers for your new address, as well as TV, home phone, home security services and more. Call to see which providers and plans are available at your new address.

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