Getting help with your business account

Need help with your business account? Whether you're looking for a sales rep or Business Customer Service, we've got you covered!



Contact Business Customer Service

  • By phone*: 1-800-375-1126 or 611 from your device 24 hours a day, 7 days a week.
  • By email**:
  • By fax**: 1-877-214-5937
  • By chat*: Message us on My T-Mobile. Simply click the Message us button to get the conversation started once you log in to your online account.


*Upon calling in or chatting with us, you’ll be asked to verify your account in order to gain access to account information.

**The email and fax options are only available to Authorized Users on the account. If the email or fax isn't from an Authorized User, no account information or action items will be completed.



Find a Business Sales Rep

If you're in the market for a sales rep or simply want to request a different sales rep, fill out our web form and our sales team will contact you soon, usually within an hour during normal business hours (Mon-Fri 9:30 a.m. - 7:45 p.m. PT).



Find a store

Use our store locator to find a T-Mobile Retail, National Retail, or Indirect store.