AWS emits TEXT_CARRIER_BLOCKED when the recipient's carrier blocks delivery, typically because it judged the message malicious or abusive.

Checked 2026-10-02

Vendor
Amazon Web Services
Product
AWS End User Messaging SMS
Subsystem
delivery events
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting business SMS that is not delivered: source note business-sms-delivery-troubleshooting-aws-evt-carrier-blocked. WarmTransfer. https://warmtransfer.net/knowledge/claims/business-sms-delivery-troubleshooting-aws-evt-carrier-blocked

BibTeX

@misc{warmtransfer-claim-business-sms-delivery-troubleshooting-aws-evt-carrier-blocked,
  title  = {Troubleshooting business SMS that is not delivered: source note business-sms-delivery-troubleshooting-aws-evt-carrier-blocked},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/business-sms-delivery-troubleshooting-aws-evt-carrier-blocked},
  note   = {Source note business-sms-delivery-troubleshooting-aws-evt-carrier-blocked, checked 2026-10-02}
}

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