Updated: February 24, 2023 – If you are a T-Mobile customer and need assistance with your account, here are the customer service phone number, login, address, etc. that you might need:
T-Mobile Customer Service Phone Number
- The T-Mobile customer service phone number is 1-800-937-8997 or dial 611 from your T-Mobile phone. For payments by phone, call 1-877-453-1304.
- For T-Mobile Internet customer service, the number to call is 1-866-627-3030 for tech support or 1-866-308-1726 for assistance from a T-Mobile sales rep.
Online Account Access / Payment
P.O. Box 742596
Cincinnati, OH 45274-2596