T Mobile Corporate Phone Number

In order to contact T Mobile Corporate Office (Headquarters), you need to call the following Phone Number: 425-378-4000

If you are looking to get in touch with the corporate office of T-Mobile, you can reach the company’s main headquarters by calling the official T-Mobile corporate phone number at 425-378-4000. This direct line connects you to the primary corporate office of T-Mobile US, Inc., which is located in Bellevue, Washington. Whether you need to discuss executive matters, escalate unresolved customer service issues, inquire about media relations, or speak with a representative from a specific department such as investor relations, legal affairs, or human resources, calling the T-Mobile corporate office is the most reliable method.

The T-Mobile headquarters phone number, 425-378-4000, is your gateway to connecting with senior-level personnel and various corporate departments. This number is not for general customer support—instead, it is meant for business inquiries, legal correspondence, employment verification, partnerships, and executive-level communications.

T Mobile Jobs Website

T Mobile Human Resources Phone Number

What are T Mobile Office Hours? T Mobile Office Hours

The official T-Mobile corporate office hours typically begin at 10:00 AM and continue until 5:00 PM, Monday through Friday. During these standard business hours, all major departments within the T-Mobile corporate headquarters are fully operational and available to assist with a wide range of inquiries. These departments include finance, legal, executive leadership, marketing, human resources, investor relations, customer support escalation, business development, and corporate communications.

If you need to speak with someone at T-Mobile’s main headquarters in Bellevue, Washington, it is best to contact them within this window of time to ensure your call is routed appropriately and handled by a live representative. The company’s executive and administrative teams are generally available throughout the business day to support both internal operations and external communications.

Please note that T-Mobile’s corporate office hours differ from the standard customer service hours.

When Was T Mobile Founded?

T-Mobile US, Inc. was officially founded in the year 1999 and is currently headquartered in Bellevue, Washington. As one of the leading wireless network operators in the United States, T-Mobile has grown into a major force in the telecommunications industry, known for its aggressive expansion strategies, customer-centric service model, and innovative technology offerings. The company was formed as a subsidiary of Deutsche Telekom AG, a German telecommunications giant, and has since evolved into a publicly traded company operating independently on the NASDAQ stock exchange under the symbol TMUS.

Since its founding, T-Mobile has undergone several strategic transformations, including the high-profile merger with MetroPCS in 2013, and later the groundbreaking merger with Sprint Corporation in 2020, which solidified its position as one of the top three mobile network providers in the U.S. Today, T-Mobile employs over 55,000 professionals nationwide, across various departments such as engineering, retail, marketing, customer service, product development, finance, legal, and corporate strategy. The company operates thousands of retail locations and multiple corporate campuses throughout the country.

T-Mobile’s foundation year of 1999 marks the beginning of its mission to disrupt the mobile industry through affordability, reliability, and transparency. Over two decades later, T-Mobile continues to lead the market in 5G network expansion and customer satisfaction.

For the most accurate and updated corporate information about T-Mobile, including how to contact their headquarters or human resources department, visit Contact-Human-Resources.com. Our platform is a trusted source for verified contact information, employment resources, and executive-level access to some of the most prominent companies in the United States.

Corporate Phone Numbers
Subway Corporate Phone Number
State Farm Corporate Phone Number
DoorDash Corporate Phone Number
Staples Corporate Phone Number
Samsung Corporate Phone Number
Safeway Corporate Phone Number
Royal Caribbean Corporate Phone Number
Ross Corporate Phone Number
Rite Aid Corporate Phone Number
Facebook Corporate Phone Number
Popeyes Corporate Phone Number