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Fast Internet. Customizable data.

Get Internet for as low as $29.99/mo. Then add Mobile that works for everyone. Change how much shared data you have or switch a line to Unlimited anytime.

By the Gig — Starting at $15/GB

Only pay for the shared data you use each month. Save when you start with 3 or 10 GB. Flexible shared data options let you pay less as a group.

Unlimited — $45/line a month

Get all the data you need every month for one price per line. Mix shared and unlimited data options to create the ideal plan for everyone.
Reduced speeds after 20 GB of usage per line. In times of congestion, your data may be temporarily slower than other traffic.
Bay City may be buzzing, but cell service rings crystal clear thanks to Xfinity Mobile. San Francisco now counts full coverage across the 415, from the colorful Castro to quaint Sausalito. Digging into a sourdough bread bowl at Fisherman's Wharf? You're set with full bars. Capture your bike ride across the Golden Gate Bridge with cell phone speed that's as quick as you are. This is the city of apps and tech – and whether you're downloading or developing, stay plugged in with the best cell phone coverage available.

Mobile Phone service from Comcast near me in San Francisco, CA.

San Francisco, CA mobile phone fanatics: get Xfinity Mobile service today!

Good news, San Francisco! Mobile service from Xfinity is a new kind of network designed to save you money. Conveniently included with your Xfinity Internet service.
San Francisco, CA residents can get up to five lines of unlimited talk and text included with your Xfinity Internet at no extra cost, so all you pay for is data. 
With 5G and millions of Xfinity WiFi hotspots, our network has evolved so you're connected to what matters most, today through tomorrow.
Samsung Devices 5G

Smartphone + Smart Network

The latest devices on a new kind of network

Got Xfinity Internet? Go Mobile and choose from the latest devices. This year, you’ll save data and money with Xfinity WiFi and 5G.

Visit a nearby store

Locate Store

260 Potrero Ave San Francisco, CA 94103

Xfinity store by Comcast

Open today until 8:00 PM

2186 Geary Blvd San Francisco, CA 94115

Xfinity store by Comcast

Open today until 8:00 PM

153 A Serramonte Center Daly City, CA 94015

Xfinity store by Comcast

Open today until 8:00 PM

5688 Bay Street Emeryville, CA 94608

Xfinity store by Comcast

Open today until 7:00 PM

1 WiFi claim based on March 2016 study by Allion Test Labs Inc. Actual speeds vary and are not guaranteed. Xfinity WiFi is included with Performance Internet and above only. Available in select areas. Requires compatible WiFi hotspots enabled laptop or mobile device.