AT&T Store San Marcos Campus Marketplace
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344 S Twin Oaks Valley Rd
Suite 150
San Marcos,
CA
92078
US
+1 442-515-3635
Request in-store appointment
You can schedule an appointment at this store and visit on your schedule.
Everyone gets our best deals! Come visit the San Marcos store and take a look at the current iPhone deals.
Learn how everyone gets
The new iPhone 16e for $5.99/mo.
No trade-in required.
iPhone 16e 128GB. Apple Intelligence requires iOS 18.1 or later. Req’s 0% APR 36-mo. agmt. & qualified wireless plan. Well-qualified customers. Restrictions apply.
See offer details
Learn how everyone gets
The new Samsung Galaxy S25 Ultra for $0, only at AT&T.
Best value—better than our competitors. With eligible trade-in.
Terms & restrictions apply. Subject to change. Samsung account login required for certain AI features.
See offer details
AARP member offer ends 3/31/25
Learn how to get $100 in bill credits per line
When you switch to AT&T and buy a new phone on a qualifying installment plan with an eligible AT&T Wireless℠ plan (min. $75.99/mo. before discounts).
Now available
Get the new iPhone 16 Pro on us
Learn how everyone gets it on us with eligible trade-in.
Subject to change. Terms and restrictions apply. Apple Intelligence coming Fall 2024. See offer details
Learn how everyone gets
Get Google Pixel 9 Pro XL up to $1050 off
With a Pixel phone trade-in. Any year, any condition. Plus, get a new Google Pixel smartphone every year with AT&T Next Up Anytime℠
Limited time. Terms & restr’s apply. See offer details
Because your security is our top priority
24/7 proactive security that helps stop threats before they get to you.
Save time with myAT&T
myAT&T is your go-to app for managing your account
Easily pay your bill, get help, see your plan benefits and features, and make changes – all on your time.
About the San Marcos Store
- iPhone 15, iPhone 15 Plus, iPhone 15 Pro & iPhone 15 Pro Max
- Samsung Galaxy Series
- Cell Phones
- Wireless Plans and Setup
- Phone Activations
- Trade-In
- Device Upgrade
- Device Protection
- Tablets
- Wearables
- TV & Entertainment
- Wearables
- Bill Pay and Setup
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 STREAM 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.
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
ACCESSORIES
AT&T has the accessories you need to style & protect your devices. Rugged phone cases & sleek phone covers and chargers to keep you powered up. We have adult and kids headphones and headsets as well as the new Apple AirPods Pro 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.
Frequently asked questions
More locations in the San Marcos area
Fast. Easy. All Online.
Check your eligibility
See if you're eligible for $0 down financing - without hurting your credit score.
Start shoppingReq's 0% APR 30-mo. agmt. Well-qualified customers.
Do it all, right from your phone
Download nowUse the myAT&T app to shop the latest devices, track your orders, pay your bills, view usage, and more.
