19Residential providers
27ZIP codes
26 / 27ZIPs with fiber
25 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 Francisco ZIP code to see every provider at your address:
Call (855) 643-8023Top internet providers in San Francisco
| Provider | Technology | ZIPs served (of 27) | Top filed speed |
|---|---|---|---|
| Xfinity | Cable + Fiber | 26 | 10 Gbps |
| AT&T Fiber | Fiber | 26 | 5 Gbps |
| Verizon 5G Home | 5G Home | 26 | 1 Gbps |
| Unwired | 5G Home | 26 | 300 Mbps |
| AT&T Internet Air | 5G Home | 26 | 100 Mbps |
| T-Mobile Home Internet | 5G Home | 26 | 100 Mbps |
Satellite service (Starlink, Viasat, HughesNet) additionally covers every San Francisco 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 Francisco, CA — FAQs
Who has the best internet in San Francisco, CA?
FCC filings list 19 residential providers in San Francisco. Xfinity has the widest coverage (26 of 27 ZIP codes), and the fastest filing reaches 25 Gbps. The best pick is address-specific — enter your ZIP to compare every option at your home.
Does San Francisco have fiber internet?
Yes — fiber from at least one provider is filed in 26 of San Francisco’s 27 ZIP codes per FCC data (Dec 2024), with top advertised speeds up to 25 Gbps. Street-level availability varies, so check your exact address.
What is the cheapest internet in San Francisco, CA?
Entry promos in San Francisco 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.