SMS and MMS Delivery Delays and Delivery Receipt Delays between Twilio and AT&T in the United States
View the provider incident record →Current answer
SendGrid experienced a minor incident: SMS and MMS Delivery Delays and Delivery Receipt Delays between Twilio and AT&T in the United States. ServiceAlert observed recovery on Oct 7, 2026.
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Incident Lifecycle
Affected Components
SMS Long Code, North America
MMS Long Code, North America
MMS Long Code, North America
SMS Short Code, North America
SMS Toll-Free, North America
MMS Short Code, North America
MMS Toll-Free, North America
SMS Toll-Free, North America
MMS Toll-Free, North America
Incident Timeline
Monitoring
We have observed a recovery in SMS and MMS delivery between Twilio and AT&T 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.
Oct 7, 2026 at 10:08 AM UTC
Identified
Twilio customers may be experiencing SMS and MMS delivery delays and delivery receipt delays between Twilio and AT&T network 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.
Oct 7, 2026 at 9:10 AM UTC
Investigating
Twilio customers may be experiencing SMS delivery delays and delivery failures between Twilio and AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
Oct 7, 2026 at 7:22 AM UTC
Investigating
Twilio customers may be experiencing SMS and MMS delivery delays and delivery failures between Twilio and AT&T 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.
Oct 7, 2026 at 6:53 AM UTC
Investigating
Twilio customers may be experiencing SMS delivery delays between Twilio and AT&T 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.
Oct 7, 2026 at 6:19 AM UTC
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