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T-mobile us Headquarters & Office Locations

Verified data Telecommunications Companies 75,000 employees 42 offices worldwide

Headquarters: Bellevue, Washington, United States, Bellevue, Washington 98006, United States

Data last updated July 2026 · Sourced via GraphIQ

Headquarters
Bellevue, WA
United States
Total offices
42
across 1 countries
Employees
75,000
est. 2026

T-mobile us headquarters details

Bellevue, Washington, United States

Bellevue

Washington

98006

United States

1994

All T-mobile us office locations

42 total
City State / region Country Type
Bellevue HQ Washington United States Headquarters

About T-mobile us

T-mobile us (Nasdaq (NASDAQ): TMUS) is headquartered in Bellevue, Washington, United States. Founded in 1994, the company operates across 1 countries with approximately 75,000 employees worldwide.

Where is T-mobile us's main office?

T-mobile us's main headquarters office is located at Bellevue, Washington, United States, Bellevue, Washington 98006. This serves as the company's primary corporate address and is home to its executive leadership team.

T-mobile us regional offices

Beyond its headquarters in Bellevue, T-mobile us maintains 42 offices across 1 countries. Regional offices span 1 countries.

T-mobile us contact information

The main switchboard for T-mobile us headquarters can be reached at 12142652550. For investor relations, visit metrobyt-mobile.com/investor-relations.

Frequently asked questions

Where is T-mobile us headquarters?

T-mobile us's headquarters is located at Bellevue, Washington, United States, Bellevue, Washington 98006, United States.

How many offices does T-mobile us have?

T-mobile us operates 42 offices across 1 countries as of 2026.

What is T-mobile us's corporate address?

The official corporate address is Bellevue, Washington, United States, Bellevue, Washington 98006.

When was T-mobile us founded?

T-mobile us was founded in 1994 and has grown to employ approximately 75,000 people worldwide.

What is T-mobile us's phone number?

The main phone number for T-mobile us headquarters is 12142652550.

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