Featured promotions at T-Mobile Newell & Main

Featured categories at T-Mobile Newell & Main

T-Mobile Network Performance

Data provided by Umlaut From April-2025 to September-2025   See coverage map
5G network score
The higher your score, the more likely you can connect to a faster, more stable network.
91
/100
Verizon
89
/100
AT&T
84
/100
5G coverage availability
More availability means having access to 5G speeds more often.
91 %
95 %
AT&T
72 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
411
Mbps
AT&T
62
Mbps
Verizon
41
Mbps
Compare another location
Man looking at a cellphone
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.

Compare Plan Prices vs the Other Carriers at  T-Mobile Newell & Main

Featured reviews at T-Mobile Newell & Main

Jessie Granado
March 12, 2026, 9:06 p.m.
Sid gave me outstanding customer service. Professional and knowledgeable in all things T mobile. Come in and ask for him by name. You won’t regret it. View on Google
Jennifer Nguyen
March 11, 2026, 6:13 a.m.
Sid at T-Mobile provided an excellent experience when helping my parents switch from Verizon to T-Mobile to join my family plan. My dad was initially very hesitant about leaving Verizon because he had been loyal to them for years, but Sid made the whole process smooth and comfortable. He was patient, charismatic, and funny, and my parents actually enjoyed themselves while we were waiting for the plan to switch over. There were lots of laughs, which made the experience feel relaxed and welcoming. After we left, my dad kept saying good things about T-Mobile and how impressed he was with the service and the amazing deal we were able to get. That really says a lot, considering how reluctant he was at first. Sarah was also very helpful and understanding. She checked in on us frequently throughout the process to make sure everything was running smoothly. The whole team was professional, attentive, and genuinely cared about helping us. This location provides excellent customer service, and I would highly recommend coming here if you’re thinking about switching to T-Mobile! View on Google
Lisa Davison
March 10, 2026, 11:16 p.m.
Went into the WC store, with a problem! I was helped by Sid and he quickly went above and beyond to get the problem resolved! He’s awesome and I’m now a happy T-Mobile customer again :)) View on Google
Karen Oregon
March 7, 2026, 11:01 p.m.
Sid assisted us and we were very pleased with his service. Thank you for all Sid!!! View on Google
Sandra Ramos
March 7, 2026, 10:14 p.m.
We are so satisfied with the service Sid provided us, his manager Stephanie helped out tremendously. Also Adam, he's very responsible and he really cares about his customers. They are an amazing group together. View on Google

Additional information about T-Mobile Newell & Main

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-Mobile Newell & Main - 1345 South Main Street
 Exterior photo of T-Mobile Store at Newell & Main, Walnut Creek, CA
 Interior photo of T-Mobile Store at Newell & Main, Walnut Creek, CA
T-Mobile Newell & Main - 1345 South Main Street

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

Locations near T-Mobile Newell & Main

T-Mobile Experience Store
T-Mobile Powell Street Plaza
13.5 miles away
T-Mobile Experience Store
T-Mobile Johnson Dr & Owens Dr
15.7 miles away
5.0
T-Mobile Store
T-Mobile Downtown Pleasant Hill
3.7 miles away
4.0

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