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Enjoy AT&T Services in San Marcos, CA

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

Order AT&T Internet Now

Call 1-877-717-7589
Get AT&T Services | 
Get AT&T Services | Call 1-877-717-7589
Get AT&T Services | 
Get AT&T Services | Call 1-877-717-7589

AT&T Plans & Packages in San Marcos

AT&T Fiber

100Mbps Connection

Internet 100

AT&T Unlimited Elite
Per one line
HBO Max Logo Included for 1 year
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Popular Channels

Find what you love, all in one place

  • The best of Live TV and On Demand, with access to streaming apps like HBO Max, Netflix, Pandora & more, all in one place.

  • Top sports networks including live national, regional, and local sports channels like ESPN, ESPN2, FS1, NBC Sports Network, and more.

  • Record 500 hours to your cloud DVR and access on the go.

Packages starting at

for 12 mos. plus taxes and Regional Sports Fee when bundled
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Not just fast, Fiber fast, at our lowest price ever

Stop waiting and start streaming with AT&T 1 GIG. Built on a 100% fiber network, AT&T Fiber delivers the fastest internet speeds so you can surf, work, game, and stream without the wait time.

Internet 1000 powered by AT&T Fiber

for 12 mos, plus taxes & equip. fee

Find Your Closest AT&T Store

San Marcos Center Store 740 Nordahl Road Suite 110, San Marcos, CA 92069

San Marcos Grand Plaza Store 133 S Las Posas Rd Ste 141, San Marcos, CA 92078

Map of San Marcos, CA