T Mobile
T-Mobile US, Inc. is one of the largest wireless communications companies in the United States. The company provides mobile voice, messaging, high-speed wireless data, 5G services, home internet, business connectivity, devices and related telecommunications services. Its consumer brands include T-Mobile, Metro by T-Mobile and Mint Mobile, while the company also provides enterprise, government and wholesale wireless services.
T-Mobile’s current business reflects decades of telecommunications development, including the growth of VoiceStream Wireless, the introduction of the T-Mobile brand in the United States, the 2013 combination with MetroPCS and the 2020 merger with Sprint. The company has continued to expand its nationwide 5G network, home internet offerings and value-oriented wireless plans. T-Mobile’s common stock trades on the Nasdaq Stock Market under ticker symbol TMUS.
T-Mobile’s principal executive headquarters are located at 12920 SE 38th Street, Bellevue, Washington 98006-1350. The company also identifies Overland Park, Kansas as a major headquarters location following its combination with Sprint. At December 31, 2025, T-Mobile employed approximately 75,000 full-time and part-time employees across network, retail, administrative and customer-support functions.
+1 (425) 378-4000
This is T-Mobile US, Inc.’s current corporate telephone number associated with its principal executive offices in Bellevue, Washington.
1-800-937-8997
T-Mobile customers can also dial:
611 from a T-Mobile phone
Current Customer Care representative hours are:
Daily: 4:00 AM to 9:00 PM Pacific Time
T-Life live-agent chat is available from 4:00 AM to 12:00 AM Pacific Time, while 24/7 digital support is available through the T-Life app.
T-Mobile US, Inc.
12920 SE 38th Street
Bellevue, WA 98006-1350
United States
T-Mobile US, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350
United States
This remains the company’s current principal executive-office address in September 2026.
Investor Relations: Investor.Relations@T-Mobile.com
Media Relations: MediaRelations@T-Mobile.com
T-Mobile does not publish one universal plain-text email address for ordinary account or billing Customer Service. Customers should use T-Life, secure digital support or the main Customer Care number.
Wireless Telecommunications, Mobile Communications, 5G Networks, Broadband, Home Internet, Business Connectivity, Consumer Electronics and Digital Services
T-Mobile US traces its current U.S. operations through predecessors including VoiceStream Wireless and Deutsche Telekom’s U.S. wireless operations.
The modern T-Mobile US organization was significantly reshaped through the MetroPCS combination in 2013 and Sprint merger in 2020.
Approximately 75,000 employees
As of December 31, 2025, T-Mobile employed approximately 75,000 full-time and part-time employees.
T-Mobile does not publish general public walk-in hours for its Bellevue headquarters.
For Customer Care:
Daily: 4:00 AM to 9:00 PM PT
For T-Life live-agent chat:
Daily: 4:00 AM to 12:00 AM PT
https://investor.t-mobile.com/
T-Mobile US common stock trades on the Nasdaq Stock Market under ticker symbol:
TMUS
T-Mobile recruits across technology, engineering, retail, customer experience, finance, network operations, legal, human resources, marketing and corporate functions.
T-Mobile provides nationwide wireless voice, messaging and mobile-data services.
Customers can choose among postpaid and prepaid plans designed for individuals, families and businesses.
T-Mobile operates a nationwide 5G wireless network.
The company uses multiple spectrum bands to provide broad coverage and higher-capacity service in heavily populated areas.
T-Mobile offers postpaid plans that may include unlimited voice, messaging and data, depending on the plan selected.
Plan benefits can vary according to account type and promotional terms.
T-Mobile provides prepaid wireless services for customers who prefer to pay before using service.
Prepaid offerings include T-Mobile-branded and other affiliated options.
Metro by T-Mobile is the company’s prepaid consumer wireless brand.
Metro provides wireless phone plans without conventional annual service contracts.
Mint Mobile operates as another T-Mobile-owned consumer wireless brand.
It focuses on prepaid wireless plans sold primarily through digital channels.
T-Mobile provides fixed wireless home internet using its mobile network.
The service is designed as an alternative to traditional cable or wired broadband where coverage and capacity are available.
Customers experiencing T-Mobile 5G Home Internet technical problems can call:
1-844-275-9310
This is a dedicated technical-support line published by T-Mobile.
T-Mobile has expanded into fiber broadband in selected markets.
Customers with T-Mobile Fiber technical issues can call:
1-844-783-4237.
T-Mobile sells smartphones from major manufacturers.
Customers can purchase devices outright or use eligible installment-payment arrangements.
The company sells tablets and provides mobile-data connectivity for supported devices.
T-Mobile offers cellular-enabled smartwatches and other connected wearable products.
Eligible customers can use Equipment Installment Plans to spread device payments over an agreed period.
Terms depend on credit qualification and the specific transaction.
T-Mobile offers trade-in programs for qualifying phones and devices.
Trade-in values depend on model, condition and current promotional terms.
T-Mobile offers international connectivity features on qualifying plans.
Benefits and rates vary by destination and plan.
Compatible devices and accounts may use Wi-Fi Calling where available.
This allows calls and messages to operate through a Wi-Fi connection when cellular coverage is limited.
T-Mobile provides wireless, connectivity and communications solutions for businesses.
Services are available for small businesses, large enterprises and other commercial customers.
T-Mobile provides wireless solutions to qualifying federal, state and local government organizations.
T-Mobile has developed specialized network capabilities for first responders and public-safety organizations.
These offerings are designed to provide enhanced network priority and performance under applicable plans.
T-Life serves as an important digital customer-management platform.
Customers can access support, account information and eligible T-Mobile services through the application.
Customers can manage bills, devices, plan information and account settings through T-Mobile’s digital platforms.
Customers can make payments online, through T-Life or by calling:
1-800-937-8997.
+1 (425) 378-4000
This is T-Mobile’s current SEC-verified corporate telephone number.
+1 (425) 378-4000
Current headquarters:
12920 SE 38th Street
Bellevue, WA 98006
+1 (425) 378-4000
The number continues to appear in current 2026 SEC filings.
+1 (425) 378-4000
This is the appropriate corporate-office number for T-Mobile US, Inc.
1-800-937-8997
Customers can also dial:
611
from their T-Mobile phone.
1-800-937-8997
Current representative hours:
Daily: 4:00 AM to 9:00 PM PT
1-800-937-8997
This is T-Mobile’s main verified toll-free Customer Care number.
1-844-275-9310
This is the dedicated T-Mobile 5G Home Internet technical-support number.
1-844-783-4237
This number is specifically for T-Mobile Fiber technical support.
T-Mobile uses specialized sales channels for consumer, business and government accounts rather than one universal corporate sales number.
Consumer customers can use T-Mobile’s website, retail stores or Customer Care.
General Customer Care: 1-800-937-8997
From a T-Mobile Phone: 611
5G Home Internet: 1-844-275-9310
T-Mobile Fiber: 1-844-783-4237
1-800-937-8997
T-Mobile publishes this number for bill-payment and general account support.
T-Mobile maintains operations across the United States but does not publish one universal regional-office number.
Individual T-Mobile retail stores may have location-specific phone numbers.
Customers should use T-Mobile’s official store locator.
For the Bellevue corporate headquarters:
425-378-4000
Individual retail locations have different numbers.
International assistance varies according to service, account and country.
Customers traveling outside the United States should use T-Mobile’s official international support resources or T-Life.
T-Mobile does not publish a conventional corporate emergency hotline for ordinary customers.
Digital support is available through T-Life 24/7, while live Customer Care operates during published hours.
T-Mobile’s Investor Relations team primarily publishes:
Investor.Relations@T-Mobile.com
A permanent public IR telephone number is not prominently listed on the current Investor Contacts page.
T-Mobile’s transfer agent, EQ, provides shareholder support at:
1-800-937-5449
This line is for registered shareholder matters and not customer service.
T-Mobile directs press inquiries to:
This is for journalists and media-related requests.
T-Mobile does not publish one universal public HR number for outside applicants.
Candidates should use:
Not applicable.
T-Mobile is a telecommunications and broadband company.
For ordinary wireless account, billing or technical assistance, dial 611 from a T-Mobile phone or call 1-800-937-8997. Customer Care representatives are currently available daily from 4:00 AM to 9:00 PM Pacific Time. Customers can also use T-Life, where live-agent chat is available from 4:00 AM to midnight Pacific Time and automated support is available 24/7.
Before contacting T-Mobile, have the account holder’s information, affected mobile number, device model and billing or technical details available. For Home Internet, use 1-844-275-9310 when the issue is specifically technical. Corporate headquarters at 425-378-4000 should generally be reserved for corporate-level matters rather than routine account support.
T-Mobile US, Inc.
12920 SE 38th Street
Bellevue, WA 98006-1350
United States
Corporate Phone: +1 (425) 378-4000
Current September 2026 SEC filings confirm this address and telephone number as T-Mobile’s principal executive offices.
12920 SE 38th Street
Bellevue, Washington 98006
United States
This address remains the core corporate headquarters location.
T-Mobile US, Inc.
12920 SE 38th Street
Bellevue, WA 98006
Phone: 425-378-4000
T-Mobile operates additional corporate facilities in Bellevue, including offices along 131st Avenue SE.
Current career listings include corporate roles at:
3650 131st Avenue SE
Bellevue, WA
and:
3655 131st Avenue SE
Bellevue, WA.
These are additional operating offices, not replacements for the principal executive headquarters.
T-Mobile also maintains major headquarters operations in Overland Park, Kansas.The company’s 2025 Form 10-K identifies both Bellevue, Washington and Overland Park, Kansas as headquarters locations.Current career listings show major corporate functions at Sprint Parkway addresses in Overland Park.
Investor Relations correspondence can be associated with:
T-Mobile US, Inc.
12920 SE 38th Street
Bellevue, WA 98006
Email: Investor.Relations@T-Mobile.com
T-Mobile’s transfer agent is:
EQ
P.O. Box 500
Newark, NJ 07101
Phone: 1-800-937-5449
This is for registered shareholder matters and not wireless-service complaints.
Customers experiencing a problem involving wireless service, billing, a device, Home Internet, account access or another T-Mobile service should first gather account and transaction information before escalating the matter.
Call:
1-800-937-8997
or dial:
611
from a T-Mobile phone.
Open the T-Life app and use the support tools.Live-agent chat is currently available from:4:00 AM to 12:00 AM PTwith automated support available 24/7.
For 5G Home Internet technical support:
1-844-275-9310
For T-Mobile Fiber technical support:
1-844-783-4237
Save billing statements, screenshots, order numbers and any case or reference numbers.Record the date and nature of previous contacts.
For device, SIM or retail transaction issues, a T-Mobile store may be able to provide in-person assistance.Bring identification and applicable receipts.
If the first contact does not resolve the complaint, call Customer Care again and provide the existing case information.Explain specifically what remains unresolved.
Ask whether the case can be escalated to an appropriate supervisor or specialist if standard support cannot resolve it.
For broader unresolved corporate correspondence:
T-Mobile US, Inc.
12920 SE 38th Street
Bellevue, WA 98006
United States
Corporate Phone: 425-378-4000
Routine account complaints should normally go through Customer Care first.
Investor matters:
Investor.Relations@T-Mobile.com
Media matters:
These channels should not be used for ordinary customer complaints.
If a significant telecommunications, billing or consumer dispute remains unresolved, customers may review the regulatory, consumer-protection or payment-dispute options applicable to their situation.Keep all bills, correspondence and case records before escalating externally.
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