22Residential providers
30ZIP codes
30 / 30ZIPs with fiber
8 GbpsFastest filed speed
FCC Broadband Data Collection, Dec 2024 vintage, residential filings — broadbandmap.fcc.gov. Availability is address-specific within each ZIP.
Enter your San Diego ZIP code to see every provider at your address:
Call (855) 643-8023Top internet providers in San Diego
| Provider | Technology | ZIPs served (of 30) | Top filed speed |
|---|---|---|---|
| AT&T Fiber | Fiber | 30 | 5 Gbps |
| Cox | Cable + Fiber | 22 | 2 Gbps |
| Spectrum | Cable + Fiber | 16 | 1 Gbps |
| Webpass (Google Fiber) | Fixed Wireless (fiber-fed) | 16 | 1 Gbps |
| T-Mobile Home Internet | 5G Home | 30 | 100 Mbps |
| Verizon 5G Home | 5G Home | 30 | 1 Gbps |
Satellite service (Starlink, Viasat, HughesNet) additionally covers every San Diego address, and 5G home internet from T-Mobile, Verizon, and AT&T is available across the city — useful when a building or street falls in a wired-coverage gap.
Internet in San Diego, CA — FAQs
Who has the best internet in San Diego, CA?
FCC filings list 22 residential providers in San Diego. AT&T Fiber has the widest coverage (30 of 30 ZIP codes), and the fastest filing reaches 8 Gbps. The best pick is address-specific — enter your ZIP to compare every option at your home.
Does San Diego have fiber internet?
Yes — fiber from at least one provider is filed in 30 of San Diego’s 30 ZIP codes per FCC data (Dec 2024), with top advertised speeds up to 8 Gbps. Street-level availability varies, so check your exact address.
What is the cheapest internet in San Diego, CA?
Entry promos in San Diego typically run $25–$50/mo from the cable and 5G home providers, and $35/mo 5G home internet (with a mobile line) is available across the city. See our cheapest-plans guide, or search your ZIP for current offers at your address.