Skip to content
Twilio · Apps and SaaSMar 17, 2026, 14:25 UTC

SMS Delivery Delays From a Subset of Twilio Short Codes to AT&T United States

MinorNot disclosedUpdated 38h ago
Mar 17, 14:25 UTCMar 17, 16:06 UTC
Duration
1h 41m
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
554 incidents
Affected
Not listed by the vendor.
Status page

Final update

We have fully investigated the SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.

Timeline

  1. Resolved · Mar 17, 16:06 UTC
    We have fully investigated the SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.

More from Twilio

Full history

Sources: vendors' own status pages, published postmortems and SEC 8-K Item 1.05 filings, read daily. Times as reported. Logos via logo.dev; trademarks belong to their owners.

Outages by email

Saturday mornings: the week's major outages, new postmortems and disclosed breaches, only in weeks that had some.

Double opt-in. Unsubscribe any time.