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Question

Why am I getting an error for sending SMS to a T-Mobile number?

  • August 10, 2025
  • 4 replies
  • 22 views
A

This SMS by Zapier step hit an error

Halted Exception: Numbers from T-Mobile are not supported. See https://help.zapier.com/hc/en-us/articles/24178576809613/ for more information.

This post has been closed for comments. Please create a new post if you need help or have a question about this topic.

4 replies

A
  • aeolus
  • Author
  • New
  • 2 replies
  • August 11, 2025

SMS being sent to AT&T number not T mobile

Troy Tessalone
Zapier Orchestrator & Solution Partner
Forum|alt.badge.img+14
  • Troy TessaloneZapier Orchestrator & Solution Partner
  • Zapier Orchestrator & Solution Partner
  • 34068 replies
  • August 11, 2025

Hi ​@aeolus 

Help links for using SMS by Zapier to review: https://zapier.com/apps/sms/integrations#help

⚡ Troy Tessalone - AutomationAce.com | Platinum Authorized Zapier Solution Partner | #1 Zapier Community Contributor
A
  • aeolus
  • Author
  • New
  • 2 replies
  • August 11, 2025

I'm reporting what appears to me as a bug since this used to work but doesn't anymore. I'm not sending to a T- mobile number. Referring me to a general guide on how to use SMS is not very helpful.

Troy Tessalone
Zapier Orchestrator & Solution Partner
Forum|alt.badge.img+14
  • Troy TessaloneZapier Orchestrator & Solution Partner
  • Zapier Orchestrator & Solution Partner
  • 34068 replies
  • August 11, 2025

​@aeolus 

You would need to open a ticket with Zapier Support: https://zapier.com/app/get-help

⚡ Troy Tessalone - AutomationAce.com | Platinum Authorized Zapier Solution Partner | #1 Zapier Community Contributor
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