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T-Mobile US

Customer Service Number

Toll-freeCompany-published number

Customer service — US mobile customers

1-800-937-8997
United StatesDaily 4:00 a.m.–9:00 p.m. Pacific Time
Official source Checked Sep 10, 2026

Toll-free in the listed region. Mobile airtime and international charges may apply.

Independent directory. Slow Latitudes lists contacts for T-Mobile US. Calls go directly to the number shown.

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T-Mobile US lists a telephone for Customer service — US mobile customers. Identify the account holder and the line or address receiving service.

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  • Note when the service issue began.
  • Check your bill for the plan name.

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