MMS Delivery Failures from a Subset of Twilio Short Codes to Verizon and T-Mobile United States

Minor · Started Oct 5, 2026 · 11:28 PM

Duration

3h 20m
Severity

Minor
Detection lead

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User reports

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Summary

MMS Delivery Failures from a Subset of Twilio Short Codes to Verizon and T-Mobile United States

The incident has been resolved and MMS delivery from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in the United States is operating normally.

Started

Oct 5, 2026 · 11:28 PM
Resolved

Oct 6, 2026 · 2:49 AM
Duration

3h 20m
Severity

Minor

Event timeline

How this incident unfolded

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Investigating
Oct 5 · 11:28 PM SendGrid

Twilio customers may be experiencing MMS delivery failures from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
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Identified
Oct 6 · 12:25 AM SendGrid

Twilio customers may be experiencing MMS delivery failures from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
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Monitoring
Oct 6 · 12:42 AM SendGrid

We have observed a recovery in MMS delivery from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
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Monitoring
Oct 6 · 2:47 AM SendGrid

We have observed a recovery in MMS delivery from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
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Resolved
Oct 6 · 2:49 AM SendGrid

The incident has been resolved and MMS delivery from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in the United States is operating normally.