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AT&T Store San Marcos San Marcos Grand Plaza

Day of the WeekHours
Monday10:00 AM - 8:00 PM
Tuesday10:00 AM - 8:00 PM
Wednesday10:00 AM - 8:00 PM
Thursday10:00 AM - 8:00 PM
Friday10:00 AM - 8:00 PM
Saturday10:00 AM - 8:00 PM
Sunday10:00 AM - 6:00 PM
133 S Las Posas Rd
Ste 141
San Marcos, CA 92078
US
The San Marcos AT&T Store is located on the corner of Las Posas and Grand ave next to Nectar and across the street from Sonic Burger.
(760) 752-3273(760) 752-3273
Summer’s the time for family, being outdoors and movies! DIRECTV has the largest on-demand library. Come by to check out our awesome deals. #SummerMovies #DIRECTV
Back to School
Shop for the latest devices and accessories to be best in class on the best network. Best network based on 2018 GWS One Score.
Calling all witches and wizards
Switch to AT&T to get an exclusive offer for Harry Potter: Wizards Unite players.
AT&T has the fastest wireless network in San Diego
New nationwide results from Speedtest® by Ookla are confirming what our wireless customers already are enjoying.
First Responder and Military Appreciation. HONORING THOSE WHO SERVE.
To show our thanks, we’re offering 25% off each line with an AT&T Unlimited &More℠ wireless plan and up to $30 off DIRECTV and AT&T Internet.
Get our lowest price ever on fiber-fast internet
For a limited time, enjoy Internet 300 for the price of Internet 100 - that's 3x the speed for more surfing, streaming, and gaming.
Fast. Free. Convenient.
Order online and pick up in store the same day. Subject to availability. Order must be placed by 4pm local time. Restrictions apply.

Featured Products

  • Galaxy S10

    Experience the next generation of Galaxy S10 phones with an all-day* intelligent battery, an all-new pro-grade camera with ultra-wide lens, Wireless PowerShare, and a large, immersive Infinity Display
  • Galaxy S10+

    Experience the next generation of Galaxy S10+ phones with an all-day* intelligent battery, an all-new pro-grade camera with ultra-wide lens, Wireless PowerShare, and a large, immersive Infinity Display
  • iPhone XS Max

    6.5-inch Super Retina display—the largest display ever on an iPhone. Advanced Face ID. The smartest, most powerful chip in a smartphone. And a breakthrough dual-camera system. iPhone XS Max is everything you love about iPhone and more.

About the San Marcos Store

Our Services
  • Cell Phones
  • Wireless Plans and Setup
  • Phone Activations
  • Trade-In
  • Device Upgrade
  • Device Protection
  • Tablets
  • Wearables
  • TV & Entertainment
  • Internet
  • Bill Pay and Setup
  • Small Business Solutions
Our Location
Keeping you connected & entertained is our thing!
Where to Park
There is parking is available throughout the shopping center.
Special Information
In observation of 4th of July , we will be closing at 6pm on Thursday July 4,2019.
manager photo
Meet our manager
As an employee of AT&T for 8 yrs who better to trust with your wireless and entertainment needs than Store Manager Ashley, who also worked as a sales associate in this very store. Ashley is committed to providing exceptional service and helping everyone find the solutions that best fit their needs. Stop by today and let Ashley & her team help you with all of your wireless and entertainment needs.
manager photo
Meet our manager
As an employee of AT&T for 8 yrs who better to trust with your wireless and entertainment needs than Store Manager Ashley, who also worked as a sales associate in this very store. Ashley is committed to providing exceptional service and helping everyone find the solutions that best fit their needs. Stop by today and let Ashley & her team help you with all of your wireless and entertainment needs.

Cellphones, plans & accessories

  • AT&T PREPAID

    Experience the freedom of AT&T PREPAID with plans that allow you to pay for usage in advance without tying you up in a long-term contract. Get unlimited talk & text in the U.S. and the data you need with no annual contract, no credit check, free shipping, and no activation fee for online orders. Shop AT&T prepaid phones for the premium brands you love or bring your own (BYOD) compatible device.
  • POPULAR SMARTPHONES

    When you are ready for a new phone, AT&T makes it easy. You’ll find everything from the latest feature-rich smartphones to devices for mostly texting and calling. Choose from the most popular brands like Apple, Samsung, LG, and more. Order online and get free shipping, pick up at your nearest store, or get free same-day delivery in select ZIP codes.
  • ACCESSORIES

    AT&T has the accessories you need to style & protect your devices. Rugged phone cases & sleek phone covers, chargers & batteries to keep you powered up, and speakers, headphones & headsets to keep you connected to your favorite audio, and more. Get free shipping, free returns, and in-store pickup – just order online by 4pm and it’ll be ready within two hours.

What our customers are saying

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