- Level
- confirmed
- Worst impact
- Degraded
- Components
- SMS Messaging (SMPP), MMS Messaging (MM4)
What to do
Check whether you use Bandwidth SMS Messaging (SMPP), MMS Messaging (MM4). Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 7h 58m it lasted.
Anything that failed between 2026-10-19 21:38 UTC and 2026-10-20 05:36 UTC may need a replay.Subscribe to Bandwidth's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=bandwidth works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Bandwidth 4
- investigating
Teams are investigating outbound, SMS and MMS messaging delivery delays towards AT&T destinations.
provider
- monitoring
Teams are observing expected messaging behavior and will monitor for stability.
provider
- resolved
This incident has been resolved.
provider
- 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 has concluded its investigation of this issue and details can be found in the following Incident Report: [https://www.bandwidth.com/support/en/articles/17780417-20261019-messaging-at-t-10dlc-mms-and-sms-delivery-delays.](https://www.bandwidth.com/support/en/articles/17780417-20261019-messaging-at-t-10dlc-mms-and-sms-delivery-delays.) 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.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
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Questions about DWN-7465262752
Is Bandwidth still down?
No, this incident was resolved 2026-10-20 05:36 UTC. For Bandwidth's live state, see https://down.guide/bandwidth.
How long did it last?
7h 58m, from 2026-10-19 21:38 UTC to 2026-10-20 05:36 UTC, by the times Bandwidth posted.
What was affected?
Bandwidth named SMS Messaging (SMPP), MMS Messaging (MM4).
What caused it?
Bandwidth hasn't published a root cause. If it does, it shows here.
Where does this come from?
Bandwidth's official status page, https://status.bandwidth.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.