- Level
- confirmed
- Worst impact
- Degraded
- Components
- SMS Short Code, North America
- Regions
- us
What to do
Check whether you use Twilio SMS Short Code, North America in us. 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 1d 4h it lasted.
Anything that failed between 2026-05-20 15:43 UTC and 2026-05-21 20:12 UTC may need a replay.Subscribe to Twilio's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=twilio works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Twilio 11
- investigating
Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to 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.
provider
- identified
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to 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.
provider
- identified
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to 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 2 hours or as soon as more information becomes available.
provider
- monitoring
We have observed a recovery in SMS and MMS delivery from Twilio Phone Numbers to 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.
provider
- identified
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US with the exception of a subset of short codes, 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.
provider
- identified
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US with the exception of a subset of short codes, Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hour or as soon as more information becomes available.
provider
- identified
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US with the exception of a subset of short codes, Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hour or as soon as more information becomes available.
provider
- identified
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US with the exception of a subset of short codes, Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hour or as soon as more information becomes available.
provider
- identified
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US with the exception of a subset of short codes, Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hour or as soon as more information becomes available.
provider
- monitoring
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US , Our team has monitoring the cause, and is working to resolve the issue. We will provide another update in 2 hour or as soon as more information becomes available.
provider
- resolved
We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US , and we are resolve the issue.
provider
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Corrections
None so far.
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Questions about DWN-2705c95b0f
Is Twilio still down?
No, this incident was resolved 2026-05-21 20:12 UTC. For Twilio's live state, see https://down.guide/twilio.
How long did it last?
1d 4h, from 2026-05-20 15:43 UTC to 2026-05-21 20:12 UTC, by the times Twilio posted.
What was affected?
Twilio named SMS Short Code, North America in us.
What caused it?
Twilio hasn't published a root cause. If it does, it shows here.
Where does this come from?
Twilio's official status page, https://status.twilio.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.