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T-Mobile's Overview

Total employees71000
HeadquartersBellevue
Founded1994

T-Mobile US, Inc. is a leading American wireless network operator, widely known as the 'Un-carrier' for its customer-centric approach and efforts to disrupt the wireless industry. The company provides wireless voice and data services, as well as host network for numerous mobile virtual network operators. T-Mobile is a major player in the 5G network deployment in the United States, offering extensive coverage and high-speed internet services to millions of customers nationwide. Its product lineup includes smartphones, tablets, wearable technology, and various service plans tailored for individuals, families, and businesses.

Where is T-Mobile's Headquarters?

HQ Function

The Bellevue headquarters serves as the central hub for T-Mobile's executive leadership, strategic planning, marketing, technology development, and corporate operations.

Notable Features:

The campus, sometimes referred to as 'Factoria Campus,' features modern office buildings designed to foster collaboration and innovation. It includes amenities like cafes, fitness centers, and open workspaces. The distinctive magenta branding is prominent throughout.

Work Culture:

T-Mobile's HQ work culture is known for its 'Un-carrier' spirit, emphasizing customer obsession, innovation, diversity, and a fast-paced, energetic environment. Employees are encouraged to challenge the status quo and think creatively.

HQ Significance:

The Bellevue headquarters is crucial for T-Mobile's identity and operational command, driving its nationwide strategy and market positioning as a leading telecommunications provider in the U.S.

Values Reflected in HQ: The headquarters' design, vibrant branding, and amenities reflect T-Mobile's values of innovation, employee well-being, collaboration, and its dynamic 'Un-carrier' brand identity.

Location:

While T-Mobile US primarily operates within the United States, Puerto Rico, and the U.S. Virgin Islands, it is a subsidiary of Deutsche Telekom (DT), one of the world's leading integrated telecommunications companies headquartered in Bonn, Germany. This strategic relationship provides T-Mobile US with global backing, access to international roaming partnerships, and shared technological insights. Deutsche Telekom has a significant presence across Europe and other parts of the world, making the T-Mobile brand globally recognized and part of a larger international telecommunications ecosystem.

Street Address:

12920 SE 38th Street

City:

Bellevue

State/Province:

Washington

Country:

USA

T-Mobile's Global Presence

Overland Park, Kansas, USA

Address: 6220 Sprint Parkway, Overland Park, KS 66251

Serves as a key central U.S. operations center and supports nationwide network and business functions, integrating legacy Sprint operations.

Frisco, Texas, USA

Address: 3560 Dallas Pkwy, Frisco, TX 75034

Supports T-Mobile's growing presence in the southern U.S. and drives technological advancements and customer service initiatives for various business segments.

Reston, Virginia, USA

Address: 12524 Sunrise Valley Dr, Reston, VA 20196

Supports T-Mobile for Government initiatives, advanced network research, and East Coast technology and network operations.

Buying Intent Signals for T-Mobile

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of T-Mobile

As of April 2025, T-Mobile' leadership includes:

Mike Sievert - President and Chief Executive Officer
Peter Osvaldik - Executive Vice President and Chief Financial Officer
Ulf Ewaldsson - President, Technology & Chief Network Officer
Callie Field - President, T-Mobile Business Group
Jon Freier - President, Consumer Group
Mark W. Nelson - Executive Vice President, General Counsel and Secretary
Deeanne King - Executive Vice President and Chief People Officer

Investors of T-Mobile

T-Mobile has been backed by several prominent investors over the years, including:

Deutsche Telekom AG (Majority Shareholder)
The Vanguard Group, Inc.
BlackRock, Inc.
State Street Corporation
Berkshire Hathaway, Inc.

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits1

Over the past year, T-Mobile experienced a significant leadership transition in its technology division with Neville Ray stepping into a strategic advisor role and Ulf Ewaldsson taking the helm as President of Technology. Other executive movements have been minimal, indicating general stability at the top leadership level.

Departures

Neville Ray, Neville Ray transitioned from his role as President of Technology, moving into a strategic advisory capacity after a distinguished tenure leading T-Mobile's network advancements.

New Appointments:

Ulf Ewaldsson, Ulf Ewaldsson was appointed President, Technology, taking full responsibility for T-Mobile's network strategy, operations, and future technological developments.

Technology (Tech Stack) used by T-Mobile

Discover the tools T-Mobile uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

T-Mobile Email Formats and Examples

T-Mobile primarily uses the firstname.lastname@t-mobile.com email format for its employees. This is the most common and predictable pattern for contacting individuals within the company. While variations might exist for specific departments or roles, this format has a high success rate for general outreach.

firstname.lastname@t-mobile.com

Format

john.smith@t-mobile.com

Example

90%

Success rate

News and media

T-Mobile NewsroomApril 25, 2024

T-Mobile Kicks Off 2024 with Industry-Leading Customer and Profitability Growth

T-Mobile announced its Q1 2024 financial results, highlighting strong postpaid net account and customer additions, continued growth in high-speed internet customers, and robust financial performance, beating Wall Street expectations and reaffirming its 2024 guidance....more

OoklaMay 21, 2024

T-Mobile Again Named Fastest Mobile Network in the U.S. by Ookla

Independent testing firm Ookla's latest Speedtest Global Index report for Q1-Q2 2024 once again recognized T-Mobile for having the fastest mobile network speeds and most consistent 5G performance in the United States, underscoring its leadership in 5G technology....more

LightReadingJune 10, 2024

T-Mobile hits 3.3 Gbit/s in 5G standalone test with 5G SA NR-DC

T-Mobile announced it achieved download speeds of over 3.3 Gbps in a 5G standalone (SA) network test by aggregating four channels of mid-band spectrum. This demonstrates the ongoing evolution and potential of its 5G SA network capabilities for enhanced mobile broadband services....more

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