T-Mobile Customer Service Phone Number & Contact Information

Looking for the best way to contact T-Mobile and reach a live agent? Find the official primary customer service phone number and direct contact details. Get fast help with account inquiries, billing, technical support, and general assistance from a live representative.

Editorial note: DialIndex curates publicly listed customer service contact details and links back to official company websites when available. Always verify time-sensitive details on the official source before calling.

Last verified: 09 Mar 2026

How to Contact T-Mobile

T-Mobile US is the second-largest wireless carrier in the United States, famously known for its 'Un-carrier' movement that abolished traditional industry practices like contracts and overages. Since its merger with Sprint, T-Mobile has led the 5G revolution, boasting the largest and fastest 5G network coverage in the country. It specializes in mobile voice, data, and 5G Home Internet services, continuing to disrupt the market with aggressive pricing and unique perks like 'T-Mobile Tuesdays'.

The main listed T-Mobile customer service number on this page is +1 877 453 1304. DialIndex also organizes additional support contact details by department so users can choose the most relevant phone line before they call.

This page currently lists 10 support phone numbers across 8 departments and links back to t-mobile.com when an official website is available. Always verify urgent or time-sensitive contact details on the official source.

T-Mobile Customer Service Phone Numbers

T-Mobile has 10 customer service phone numbers across 8 departments for billing, technical support, account help, and general assistance.

Phone LinePhone
Accessibility

TTY Service

Billing & Payments

Payment Support

Daily 4am-9pm PST

Business Care

Business Support

Mon-Fri 5:30am-5pm PST

Cancellations

Cancel Service

Customer Support

Direct Support

Daily 4am-12am PST

International Roaming

Free from T-Mobile phones

Prepaid Support

Prepaid Customer Service

Daily 3am-10pm PST

Sales

Sales & New Customers

Daily 4am-12am PST

Technical Support

5G Home Internet Tech Support

Daily 4am-9pm PST

Fiber Tech Support

Daily 4am-9pm PST

T-Mobile Customer Service FAQ

You can reach T-Mobile customer support by dialing 611 from your T-Mobile phone or calling +1 800 937 8997. Support is also available via the T-Life app or online chat.