General Customer Care & Technical Support From the T-Life app, on a T-Mobile phone From your T-Mobile phone: 611 Call: 1-800-937-8997 If you are calling about a technical issue with your T-Mobile service, please call from a different phone so that we can troubleshoot with you.
Log in to manage your T-Mobile account. View or pay your bill, check usage, change plans or add-ons, add a person, manage devices, data, and Internet, and get help.
For T-Mobile device offers, call T-Mobile Promotions Customer Care at 1-877-470-3619. Monday-Friday: 8 a.m. - 10 p.m. ET; Saturday: 9 a.m. - 8 p.m. ET; For Costco or Sam’s Club Member Benefit Programs ONLY: Dial 611 from your T-Mobile phone or call 800-937-8997