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Find AT&T Internet Options for San Mateo, CA

43% of ALL HOME CONNECTIONS customers in California choose AT&T Internet plans with speeds between 50 and 100 Mbps.

Get Up to Speed with AT&T Internet

Call 1-833-582-2397
Get AT&T Services | 
Get AT&T Services | Call 1-833-582-2397
Get AT&T Services | 
Get AT&T Services | Call 1-833-582-2397

AT&T and DIRECTV Plans & Packages in San Mateo, CA

Wireless

AT&T Wireless

AT&T Unlimited StarterSM
$
65
/mo.
Per one line
guy texting on phone

AT&T 5G.
Fast. Reliable. Secure.

With AT&T 5G, it’s not complicated. You’ll get fast, reliable, secure 5G that’s available nationwide. Plus, both new and existing customers get our best deals on a wide variety of 5G smartphones, and all our unlimited plans include 5G access at no extra charge. Discover what AT&T 5G can do for you today.

Enjoy Free, Same-Day Delivery with AT&T Ready to GoSM

Plus, get professional activation help and expert setup of your new device.

Same Day Delivery

Find Your Closest AT&T Store

San Mateo Store Sixty 31st Avenue Suite 308, San Mateo, CA 94403

San Mateo Hillsdale 31 West Hillsdale Boulevard, San Mateo, CA 94403

Foster City Store 2015 Chess Dr, San Mateo, CA 94404

Map of San Mateo, CA