Welcome to Bandwidth's home for network updates. Here, you will find information pertinent to outages, scheduled maintenance, and general notices with real-time updates.
Incidents across areas
SMS and MMS Delivery Delays - AT&T
Incident
Report for Bandwidth
Postmortem
Between 22:27 UTC and 23:54 UTC on October 19, 2026, SMS and MMS messages sent to AT&T subscribers experienced delivery delays.
Bandwidth is continuing to investigate this issue to identify all actions necessary to prevent this from recurring and will update this post with an Incident Report after investigations have concluded.
We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.
Resolved
This incident has been resolved.
Monitoring
Teams are observing expected messaging behavior and will monitor for stability.
Investigating
Teams are investigating outbound, SMS and MMS messaging delivery delays towards AT&T destinations.
This incident affected: United States Messaging Services (SMS Messaging (SMPP), MMS Messaging (MM4)).