Coverage · California
Internet providers in San Francisco, CA
19 residential internet providers filed service in San Francisco, CA, including AT&T Fiber, Xfinity, Verizon 5G Home. 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 Francisco
| Provider | Technology | ZIPs served (of 27) | Top filed speed |
|---|---|---|---|
| AT&T Fiber | Fiber | 26 | 5 Gbps |
| Xfinity | Cable | 26 | 2 Gbps |
| Verizon 5G Home | 5G Home Internet | 26 | 1 Gbps |
| Unwired | 5G Home Internet | 26 | 300 Mbps |
| AT&T Internet Air | 5G Home Internet | 26 | 100 Mbps |
| T-Mobile Home Internet | 5G Home Internet | 26 | 100 Mbps |
| Sonic | Fiber | 19 | 10 Gbps |
| Astound | Cable | 19 | 1.5 Gbps |
Satellite internet (Starlink, Viasat, HughesNet) is sold across San Francisco, 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 Francisco by ZIP code
Internet in San Francisco, CA — common questions
How many internet providers does San Francisco, CA have?
19 providers have residential service on file in San Francisco, 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 Francisco?
Fiber is on file in 26 of the city’s 27 ZIP codes, at up to 25 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 Francisco, 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.