Where is T-Mobile headquartered?
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The T-Mobile head office is at 12920 SE 38th Street, Bellevue, Washington 98006, United States. More than half of the 95,702 tracked employee profiles, 94,500 of them, sit in United States (including Puerto Rico), ahead of Outside the United States and Outside the United States. The company has been trading since 1994. The company keeps 2 tracked offices, all inside the United States, including Bellevue and Overland Park. It is the reporting seat for $88.3B of revenue.
T-Mobile headquarters address
Street12920 SE 38th Street
CityBellevue
State / RegionWashington
Postal code98006
CountryUnited States
Phone+1 800-318-9270
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T-Mobile offices & locations
| Type | City | Country |
|---|---|---|
| Corporate headquarters (principal executive offices) | Bellevue, Washington | United States |
| Second headquarters, the former Sprint campus | Overland Park, Kansas | United States |
Where T-Mobile's people are
- United States (including Puerto Rico)94,50099%
- Outside the United States1,2021.3%
| Name | Profiles | Share |
|---|---|---|
| United States (including Puerto Rico) | 94,500 | 99% |
| Outside the United States | 1,202 | 1.3% |
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More about T-Mobile
FAQ
Frequently asked questions
Where is T-Mobile headquartered?
T-Mobile's headquarters is located at 12920 SE 38th Street, Bellevue, Washington 98006, United States, as of 2026-10-23. This is the registered head office where the company is primarily based.
In which city is T-Mobile's headquarters?
T-Mobile's headquarters is in Bellevue, Washington, United States. You can see the exact address and a map above.
How many offices does T-Mobile have?
Beyond its Bellevue headquarters, T-Mobile has tracked offices in Bellevue, Overland Park (as of 2026-10-23).
What is T-Mobile's headquarters phone number?
The published switchboard for T-Mobile's Bellevue head office is +1 800-318-9270 (as of 2026-10-23). It is a company line, not a direct line to any individual.