Coverage · California
Internet providers in San Diego, CA
22 residential internet providers filed service in San Diego, CA, including AT&T Fiber, Verizon 5G Home, AT&T Internet Air. Below: who covers the most ZIP codes, how far fiber reaches, and the fastest speeds on file. Your street is the final word, so search your ZIP or call (877) 543-8021.
In this city
A city total is a starting point, not an answer.
Fiber tends to arrive a neighborhood at a time, and cable follows the boundaries it was first built to. The figures here describe the city; the ZIP search and a call describe your street.
Top internet providers in San Diego
| Provider | Technology | ZIPs served (of 30) | Top filed speed |
|---|---|---|---|
| AT&T Fiber | Fiber | 30 | 5 Gbps |
| Verizon 5G Home | 5G Home Internet | 30 | 1 Gbps |
| AT&T Internet Air | 5G Home Internet | 30 | 100 Mbps |
| T-Mobile Home Internet | 5G Home Internet | 30 | 100 Mbps |
| Cox | Fiber-powered | 22 | 2 Gbps |
| Cox Fiber | Fiber-powered | 16 | 2 Gbps |
| Webpass (Google Fiber) | Fixed Wireless | 16 | 1 Gbps |
| Spectrum | Fiber-powered | 16 | 1 Gbps |
Satellite internet (Starlink, Viasat, HughesNet) is sold across San Diego, but every install has to qualify on site — a clear view of the sky and somewhere to mount the dish. Coverage data: FCC Broadband Data Collection (December 2024). Availability is address-specific within each ZIP.
Browse San Diego by ZIP code
Internet in San Diego, CA — common questions
How many internet providers does San Diego, CA have?
22 providers have residential service on file in San Diego, CA; AT&T Fiber is filed in the most of its ZIP codes. Each one covers some streets and not others, so search your own ZIP to see who reaches you.
Can I get fiber in San Diego?
Fiber is on file in 30 of the city’s 30 ZIP codes, at up to 8 Gbps. Fiber is often built street by street, so a ZIP with fiber on file may still not have it at your address.
What is the best way to choose internet in San Diego, CA?
Start with your ZIP: every provider filed there, its technology, top speed and share of the ZIP. Then call (877) 543-8021 to check your street address and, for providers we sell, order. It costs nothing.