Getting help with your business account

Need help with your business account? Whether you're looking for a Business Customer Service or a salesperson, 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)
  • When calling in, you’ll be asked to verify your account PIN/Passcode to gain access to your account.
  • International callers: +1 505-998-3793 from your device, a landline, or a non-T-Mobile phone
    • All calls made to this number from a T-Mobile device are free from roaming, airtime, or long-distance charges.
    • Calls made to this number from landlines and non-T-Mobile phones will incur international long-distance charges as well as any other additional charges that may apply.


By email or fax

  • Fax: 1-877-214-5937
  • 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 changes will be completed.


By chat

  1. Go to My T-Mobile and log in to your account.
  2. Click Message us to get the conversation started.
  3. Be prepared to verify your account so we can chat with you about your account.



Find a Business salesperson

If you're in the market for a sales rep or want to request a different one, fill out our web form and our sales team will contact you, 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 the nearest T-Mobile store.