T-Mobile US Customer Service Number
T-Mobile USt-mobile.com
TOLL-FREECOMPANY-PUBLISHED NUMBER
Customer service — US mobile customers
1-800-937-8997United StatesDaily 4:00 a.m.–9:00 p.m. Pacific Time
Official sourceChecked 2026-09-10
Toll-free in the listed region. Mobile airtime or international charges may apply.
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Source · Checked 2026-09-10Review Blog Day is independent and is not affiliated with T-Mobile US. We cannot access accounts, make reservations or resolve company support cases.