T-Mobile Store

T-Mobile Newell & Main

Open now
Thurs: 10:00 am - 8:00 pm
4.2/5
T-Mobile Home Internet
T-Mobile Prepaid
T-Mobile For Business
Connect by T-Mobile

Top devices in stock at T-Mobile Newell & Main

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Featured categories at T-Mobile Newell & Main

T-Mobile Network Performance

Data provided by Umlaut
 From January-2026 to June-2026
5G network score
The higher your score, the more likely you can connect to a faster, more stable network.
84
/100
Verizon
96
/100
AT&T
83
/100
5G coverage availability
More availability means having access to 5G speeds more often.
93 %
93 %
AT&T
86 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
208
Mbps
AT&T
410
Mbps
Verizon
91
Mbps
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T-MOBILE TRIAL

Try T-Mobile FREE
for 30 days.

Test-drive our award-winning network and some of our favorite benefits for 30 days—no commitment or credit card required. We won't even tell your other carrier.

Get started now
Qualifying non-T-Mobile network user & compatible, unlocked device required. 1 trial user. See 5G device, coverage, & trial details at T-Mobile.com.

Featured Promotions at T-Mobile Newell & Main

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CUSTOMERS 55+

Get 2 Unlimited
lines for $30/mo.

w/ AutoPay discount using eligible payment method, plus taxes and fees.
Find out more
Min. age 55. During congestion, customers on this plan may notice speeds lower than other customers and further reduction if using >50GB/mo., due to data prioritization. Video typically streams in SD quality.
Get up to 800

Switch to T-Mobile, and we'll help pay off your phone—up to $800.

Get the details
Via virtual prepaid Mastercard. Card typically takes 15 days.
Get up to $300 Back
ONLINE EXCLUSIVE

Get up to $200 back when you sign up for T-Mobile 5G Home Internet.

Check availability
Via Virtual Prepaid Mastercard ® when you sign up online and activate a qualifying new Home Internet line. Not available in retail. Allow 14 weeks from rebate submission.
SAMSUNG

Experience the Samsung Galaxy S26 Series.

Get Galaxy AI as your personal companion, your phone will function better and more powerfully than before.

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IDs Accepted

  • US State issued drivers license
  • US Passport or Permanent Resident Card (Green Card)
  • State ID
  • International student visa with passport (Visa types: M, J, F)
  • Matricula Consular card (Mexico and most Latin American countries, check with your store mobile expert)
  • Employment Authorization Document (EAD)
  • US Military ID

T-LIFE

Experience the best of T-Mobile. At your fingertips.

Tap into exclusive benefits, shop our best deals 24/7, manage your account and devices, and more.

Download the T-Life app today.

Ready to shop now?

T-Mobile Newell & Main
1345 South Main Street
(925) 219-6108

Walnut Creek’s 5G leader — with membership perks and coverage that go beyond wireless. T-Mobile powers America’s largest, fastest, and now most advanced 5G network — backed by satellite coverage that keeps you connected even off the grid. At T-Mobile Newell & Main, explore the latest devices from Apple, Samsung, and Google, with great deals and flexible ways to pay. Whether you’re upgrading, switching, or just looking, our experts are here to help.

Call us at (925) 219-6108 or stop by today.

What You’ll Find In-Store:

  • Activate Wireless or Prepaid Service
  • Activate Home Internet Services
  • Purchase Phones, Tablets, and Accessories in Store
  • Upgrade or Trade-In Your Phone
  • Small Business Plans And Services
  • Connected Products for Home, Family, and Automobile
  • Buy Online, Pick-Up In Store

Featured reviews at T-Mobile Newell & Main

Suemaya Abdallah
Aug. 27, 2026, 3:26 a.m.
I had such a wonderful experience with Joseph! He was incredibly supportive, efficient, and professional while helping me purchase two watches. He took the time to clearly explain everything to me, including the options, features, and details of my purchase, and made sure I understood everything before moving forward. Joseph was patient, knowledgeable, and genuinely attentive throughout the entire process. What stood out to me most was how much he truly seemed to care. You can tell that he genuinely loves his job and takes pride in helping his customers. His customer service was exceptional, and he made what could have been an overwhelming purchase feel simple and stress-free. I truly appreciate all of Joseph’s help and would absolutely recommend him to anyone looking for outstanding customer service at T-Mobile! View on Google
Tian Tan
Aug. 25, 2026, 11:15 p.m.
Great experience and nice service. Thanks to expert Diego and store manager Evelyn, they were very helpful and explained throughly. Looking forward to return in September View on Google
Denise Campos
Aug. 24, 2026, 10:12 p.m.
I came into the store because I was having issues with iPhone and my storage. As soon as I walked in, the staff greeted me and were very helpful. Joseph approached me and told me he could help me with my iPhone issue. He then proceeded to help me and give me tips on how I can maximize my storage space on my iPhone, he reassured me that he was going to be able to help me and gave me that positive reassurance that I needed Joseph successfully was able to help me and freed up some of my iPhone storage space and now I have the storage I need to be able to continue my work from my phone and have everything still backed up and nothing was lost. Thank you so much Joseph for your help your kindness and for your excellent customer service. View on Google
James Johnson
Aug. 14, 2026, 5:16 p.m.
Yesterday, I had an incredible experience with Bruno at T-Mobile! He helped me troubleshoot some issues with my phone and also showed me some great deals for my daughter’s phone. He was extremely patient, friendly, and helpful throughout the entire process. Bruno is an amazing employee and truly knows how to provide excellent customer service. I hope the next time I come back, I get to see him again. Keep up the great work, Bruno! T-Mobile is lucky to have you! ⭐⭐⭐⭐⭐ View on Google
Mary Lyn Padley
Aug. 11, 2026, 11:31 p.m.
Joseph was great awesome service thank you so much View on Google

Locations near T-Mobile Newell & Main

T-Mobile Experience Store
T-Mobile Powell Street Plaza
13.5 miles away
3.6
T-Mobile Experience Store
T-Mobile Johnson Dr & Owens Dr
15.7 miles away
3.7
T-Mobile Experience Store
T-Mobile Hesperian & A St
16.1 miles away
3.7

Got Questions about T-Mobile Stores?

Yes. Check out our special offers for new phones and great deals on our mobile phone plans.

We offer the latest iPhones. Check our store inventory and either buy in-store or online today.

Yes. Trade in your phone at a T-Mobile store and receive instant appraisal and credit. See our trade-in guide for details.

Yes, visit our T-Mobile store at T-Mobile Newell & Main for assistance with setting up your device.

Browse devices and plans online, contact us for assistance, or visit this T-Mobile location at T-Mobile Newell & Main for personalized help.

Yes. Some plans include subscriptions to services like Netflix or Apple TV+. Check our plans for available perks and add-ons.

Use our Store Locator to find the nearest T-Mobile store.

T-Mobile stores offer a wide range of accessories compatible with your device, including cases, chargers, and headphones.

No, you can pay your bill online through our website or the T-Mobile app.

Only compatible devices can use T-Mobile's 5G network. All new phones are 5G ready.

The T-Life app provides a simplified experience for customers by offering everything in one convenient location. In the T-Life app, T-Mobile and Metro by T-Mobile customers can access the same great perks and exclusive deals you know and love from T-Mobile Tuesdays, VIP benefits, and more! Plus, you can easily manage most aspects of your T-Mobile account directly from the T-Life app, with new features being added regularly.

Yes, the T-Life app can be found in your Google Play Store or Apple iOS App Store