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Reach T-Mobile Corporate Office 

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T-Mobile Corporate Office is located in Washington, USA. More information to reach out to T-Mobile is listed below, including the T Mobile corporate office address, phone numbers, and websites. Also, customer reviews and T-Mobile complaints.

How to Contact T-Mobile Corporate Office Headquarters HQ

Address: 12920 SE 38th St. Bellevue, WA 98006 USA

T-Mobile Phone Numbers and Contact Information

T Mobile Headquarters Phone Number: 1-425-378-4000
Fax Number: 1-425-378-4040
TTY: 1-877-896-1018
Customer Service Number: 1-877-453-1304
Business Customer Service: 1-888-537-4242
Website: T-Mobile.com

T-Mobile Corporate Office HQ

Maps and Directions To TMobile Corporate Office Location

T-Mobile Competition

T-Mobile competes against major rivals like AT&T, Verizon, and Xfinity. Known for its ‘Un-carrier’ approach, T-Mobile has differentiated itself by challenging industry norms and placing a strong emphasis on customer service. They also own Metro by T-Mobile. Other smaller competitors include Mint Mobile, Boost Mobile, US Cellular, Google.

T-Mobile HQ
T-Mobile HQ on Earth Day

Disclaimer:

CorporateOfficeHeadquarters.com is not affiliated with T-Mobile. The content here is for informational purposes, offering a platform for reviews and user feedback.

T-Mobile Updated TOS - Terms of Service on Speech

December 28, 2023

I was going to switch to T Mobile from Verizon due to cost concerns, but when I learned of your proposed TOS changes, I was livid! How dare you dictate what we message others? This is nothing short of criminal and I’ve been talking to other customers and they plan on leaving your service unless this changes immediately!

A. Jenkins

T-Mobile Customer Service Issue

September 25, 2024

I called T-Mobile last week as my phone was failing told I needed to trouble shoot first which totally messed up the phone further I cannot get into programs everything was set up now not so what little functionality thanks to you. I went to Apple and found out they needed 450 to repair connector on phone I asked to get a new phone at a fair price,. T-Mobile Offered a plan to get a third line free and an Iphone 14 at half off. I said yes paid the taxes and SIM . I signed a contract to but the phone at half off and now the plan you have does not work so my bill went up quite a bit more, we are under hurricane threat and you raise the rates on something you said you did very unsatisfied 7 year no payments missed ever customer.

Antonio R Catasus

T-Mobile Customer Service Issue

September 25, 2024

Was eager to try T-Mobile since Verizon was getting way too expensive. Unfortunately, every time I called to try switch our phones from V to T-Mobile, I ran into trouble. After spending literally hours each time over the phone to initialize our cell phones after receiving the SIM cards T-Mobile sent to us, we pretty much gave up. We were really looking forward to switching; we did all our homework…understood the bill structure, the taxes/insurance/fees, made sure the cell tower was close, etc., etc., but each time they could not figure out how to get our phones working. I would be transferred to someone else and have to go through the whole scenario of what I’m trying to do. That was exhausting enough having to sit on hold and repeat myself over and over. Then they started deducting the monthly payment out of our personal account. Eventually I spoke with a CSR who assured me the payments would be reversed and the account deactivated. It actually happened!! 🙂 Don’t get too comfortable….two weeks later I started getting bills via snail mail for three months of service (service that never happened)! It took them three weeks–from the last time I tried to get the phones set up–to mail me a letter threatening to be sent to collections. Unbelievable. It’s unreal the hours we have to spend with businesses these days to get what we are paying for. We should charge T-Mobile by the hour.

Lori A

T-Mobile Glastonbury CT Disappointing Customer Service

September 23, 2024

T-Mobile, Failure to receive trade in amount. I have been going back & forth with T-Mobile manager Damion in the Glastonbury CT location for over 90 days & still no resolution although he assured me my September bill would reflect my trade in amount. He claims he escalated this issue and no one seems to know why we haven’t received what we were promised when we switched from Verizon in May 2024. I did tell him to return my traded in phone which was in pristine condition and I’ll return phone he sold us under false pretenses. Look forward to hearing from someone soon???

Patricia Bartold

T-Mobile Customer Service Issue

September 13, 2024

T-Mobile, The most horrific lies any company can repeatedly say from customer care to the supervisor. It is the worse mistake I made was leaving Verizon for T-Mobile the way that the supervisor (Kevin) handled the situation of getting my SIM activated on a new device due to my old device being stolen and me letting T-Mobile know a week and half that the device was stolen for a week I have been to 3 different stores 5 times and still I have not been let back into my account or gained access to my phone number. T-Mobile is a joke.

Tonja Coleman
Corporate Office Headquarters