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Explore AT&T Plans in Castro Valley, CA

43% of ALL HOME CONNECTIONS customers in California choose AT&T Internet speeds up to 100 Mbps.

Call to Get AT&T Internet Today

Call 1-844-991-2811
Get AT&T Services | 
Get AT&T Services | Call 1-844-991-2811
Get AT&T Services | 
Get AT&T Services | Call 1-844-991-2811

AT&T and DIRECTV Plans & Packages in Castro Valley, 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.

Pay Your AT&T Bill at These Locations

Castro Valley Store 3949 E Castro Valley Blvd, Castro Valley, CA 94552

Map of Castro Valley, CA