T-Mobile Customer Service
If you need to contact the T-Mobile customer service department by phone, you can choose from one of the available customer service phone numbers. The customer service helpline is available from 3 a.m. to 10 p.m. PST 7 days a week. The automated line is open 24/7.
General customer service (purchases): 1-800-866-2453
Business customer service: 1-888-537-4242
Customer service helpline: 1-877-453-1304
TTY services are available between the hours of 5 a.m. and 10 p.m. PST daily.
T-Mobile Mailing Address
Customers who wish to contact T-Mobile customer service by mail can send all letters to:
T-Mobile Customer Relations
PO Box 37380
Albuquerque, NM 87176-7380
This address should be used for customer service contact only. Billing inquiries should be sent to the billing address on your statement.
T-Mobile LocationsOur T-Mobile locator is very easy to use. Just browse T-Mobile locations by city and state.
- District of Columbia
- North Carolina
- New Hampshire
- New Jersey
- New Mexico
- New York
- Rhode Island
- South Carolina
- West Virginia