AT&T Store San Marcos San Marcos

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
Sunday11:00 AM - 6:00 PM
344 S Twin Oaks Valley Rd
Suite 150
San Marcos, CA 92078
US
SHOP NOW
Map of 344 S Twin Oaks Valley Rd in San Marcos

To continue helping keep our customers, employees, and communities safe, we’ve made a number of changes in our retail stores as a result of the coronavirus pandemic.

• We’re offering Curbside service, touchless transactions and, where available, no-contact delivery with virtual set-up.
• We’re cleaning and sanitizing surfaces regularly, and hand sanitizer is available for employees and customers.
• Masks are required to be worn by employees, customers, and visitors in our stores and will be provided to anyone who needs one.
• Check out COVID-19: Our Response webpage for the latest information.

Apple iPhone 12
Buy the new iPhone 12 Pro from AT&T in San Marcos. Learn how new and existing customers get the new iPhone 12 for $0 with trade-in.
America’s best deserve our best
Military, Veterans & their families get our best pricing on unlimited wireless. Learn how to get AT&T Unlimited for less than $27/mo. when you get four lines.
Early Holiday Deals!
Visit AT&T’s Holiday Gift Guide for early deals on gifts for you and everyone on your list – all from the comfort and safety of your own home!
IT DOESN’T HURT TO CHECK
Find out your eligibility to get a new line on installment or BYOD, it won’t hurt your credit score!
AT&T speed tops the charts! AT&T is San Diego's fastest wireless network.
With more people connecting with each other virtually than ever before, having fast wireless speeds is important. Whether you are connecting with family, friends or colleagues or downloading the latest movie, we’ve got you covered.

Special offers and new phones for San Marcos

  • iPhone 12 Pro

    SMARTPHONE

    Learn how new and existing customers get iPhone 12 Pro for up to $800 off with eligible trade-in.
  • iPhone SE

    SMARTPHONE

    Learn how new and existing customers get iPhone SE for $5/mo. Plus save even more with eligible trade-in.
    5.00/mo.Req's 0% APR 30-mo. agmt. For well-qual. customers.
  • Samsung Galaxy S20 FE 5G

    SMARTPHONE

    Learn how new and existing customers get the new Samsung Galaxy S20 FE 5G for FREE with qualifying trade-in.
    5G req's compatible plan. 5G may not be in your area. See att.com/5Gforyou for 5G coverage details.
  • iPhone 12

    SMARTPHONE DEALS

    AT&T has great deals on the latest phones like the iPhone SE, iPhone 11 & iPhone 12. Get your new iPhone with AT&T the fastest network for iPhone.
  • AT&T PREPAID
    Prepaid phone plans in San Marcos

    Prepaid Phone Plans

    Learn how to get Unlimited Plus for $50/mo. when you open a new line on our $75/mo. plan and sign up for AutoPay. You’ll enjoy unlimited high-speed data while saving $25 each month. Time for a prepaid phone plan in San Marcos?
    50.00/mo.Plus taxes and fees with AutoPay
    After 22GB, AT&T may temporarily slow data speeds if the network is busy. Offer ends 10/30/20 in stores and online. Excludes upgrades. First mo. svc. charge & taxes due at sale. In-store activ. fee is $15. Other restr’s may apply.
  • AT&T Prepaid + iPhone
    AT&T PREPAID iPhone SE (2020)

    SMARTPHONE

    Get the iPhone SE 64GB for $349.99 + $50 toward account. Limited time. Online only. First mo. svc. charge & applicable sales tax due at sale. Excludes upgrades. New customers will receive a $50 account credit after purchase and account activation. Other fees, charges & restr's apply.

About the San Marcos Store

Authorized Retailer
Our Services
  • iPhone 12 & iPhone 12 Pro Max
  • 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 Services
  • iPhone 12 & iPhone 12 Pro Max
  • 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
Looking for the hottest new device or an awesome accessory? Our San Marcos Store location has got you covered. We’re your one-stop shop in San Marcos, CA. We have phones, tablets, wearables, and more that you’ll love. We also offer in-store activation, so you can get your device up and running in no time. Need a case? How about a charger? Some new headphones? We have all that—and more. And while you’re in the store, make sure to check out our DIRECTV® and DIRECTV NOW℠ packages. They deliver the shows and movies people love talking about. So, now that you know us a little better, stop by our San Marcos, CA store located at 344 S Twin Oaks Valley Rd! We’d love to get to know you.
Store Events
Get the new iPhone 12 Order Now! - Fri, October 23

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 iPhone or any 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.
  • 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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