What Is The Corporate Address For T-Mobile?

T-Mobile is a global telecommunications brand that operates in various countries, including the Czech Republic, Poland, the United States, and the Netherlands. Its parent company is Deutsche Telekom AG, a German telecommunications company. The brand was first introduced in 1996, and has since been used by various subsidiaries in other countries, including Austria, Croatia, Germany, Hungary, Montenegro, North Macedonia, Romania, Slovakia, and the United Kingdom.

T-Mobile provides a range of mobile communication services, such as wireless voice, messaging, and data, to millions of customers worldwide. In the coming sections of this article, read more about T-Mobile, its contact info including Corporate Address.

What Is the Corporate Address for T-Mobile?

The headquarters address is, T-Mobile Headquarters, 12920 Southeast 38th Street Bellevue, WA 98006 United States.

How do I escalate an issue with T-Mobile?

Please call 1-800-937-8997 or 611 from your T-Mobile phone. You may also write to T-Mobile Customer Relations, P.O. Box 37380, Albuquerque, NM 87176-7380.

How do I contact T-Mobile?

If you call toll-free number (1-800-937-8997) from a different phone, just enter your T-Mobile phone number when prompted and they’ll route you to your Team of Experts.

Who can I report T-Mobile to?

T-Mobile customer service issues should be reported to 800-937-8997.

How do I contact T-Mobile executives?

Call the main line for T-Mobile’s Executive Offices at (425) 378-4000. At this direct line to AT&T’s corporate office, you can ask to speak with senior T-Mobile executives like the CEO or General Counsel (T-Mobile’s top lawyer).


Deutsche Telekom established T-Mobile International AG in 1999 to manage its mobile communications subsidiaries. From 2003 to 2007, T-Mobile International was part of Deutsche Telekom’s services, alongside “Broadband/Fixnet,” “Business Customers,” and “Group HQ and Shared Services.” In 2009, Deutsche Telekom restructured and merged T-Mobile International into Deutsche Telekom AG, creating integrated local businesses by combining its previously separate fixed and mobile subsidiaries.

While T-Mobile International AG existed, it was based in Bonn, Germany, and its subsidiaries operated GSM-, UMTS-, and LTE-based cellular networks in Europe, the United States, Puerto Rico, and the U.S. Virgin Islands. The company had financial stakes in mobile operators in Central and Eastern Europe. T-Mobile International’s subsidiaries had approximately 230 million subscribers worldwide, making it the world’s thirteenth-largest mobile-phone service provider by subscribers and the fourth-largest multinational after Vodafone in the UK, Airtel in India, and Telef√≥nica in Spain.

Areas Served

T-Mobile is a telecommunications product owned by Deutsche Telekom, except for the Netherlands. It was introduced in Germany in 1996 and is still active in the Czech Republic, Poland, the Netherlands, and the United States. T-Mobile was previously available in several other countries including Austria, Croatia, Germany, Hungary, Montenegro, North Macedonia, Slovakia, and the United Kingdom, but it has since been discontinued in those markets.