T Mobile USA Corporate Office Headquarters HQ Address:
12920 SE 38th St.
Bellevue, WA 98006
Corporate Phone Number: 1-425-378-4000
Fax Number: 1-425-378-4040
Customer Service Specialist: 1-877-453-1304
Business Customers: 1-888-537-4242
Email Address: firstname.lastname@example.org
Stock Symbol: Part of Deutsche Telekom
T Mobile is famous for smart phone and cell, phone service in the USA. The company is one of the largest mobile phone and wireless internet providers in the USA. T-Mobile's main competitors are Verizon Wireless and AT&T Wireless.
T Mobile's toll-free customer service number is 1-800-866-2453 or 611 from your phone. The company does encourage users to use their technical support system and help forums on their website.