Customer service — US mobile customers
1-800-937-8997Daily 4:00 a.m.–9:00 p.m. Pacific Time
An independent reference. Amber Almanac is not T-Mobile US’s customer service team. The number above belongs to the company; we do not connect or forward calls.
The routes listed for T-Mobile US retain the purpose and source information found during review. Note which connection is affected and when the problem first appeared. The linked provider remains responsible for any decision about your request.
Daily 4:00 a.m.–9:00 p.m. Pacific Time
This reference remains unconfirmed from its earlier source review. Check the current company destination before relying on it.
Note which connection is affected and when the problem first appeared.
Check the provider’s outage information before requesting a visit.
Keep transfer codes and account PINs out of public messages.
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Contact dates belong to individual routes. A newer editorial update does not mean every contact was rechecked on that day.
Entry edited 2026-10-25