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Twilio

Sms Delivery Delays to Cingular Wireless (AT&T) in United States of America via Subset of Longcodes

Degraded Lasted 54m · started · Twilio's page

Level
confirmed
Worst impact
Degraded
Components
SMS Long Code, North America
Regions
us

What to do

  • Check whether you use Twilio SMS Long 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 54m it lasted.

    Anything that failed between 2026-04-04 10:59 UTC and 2026-04-04 11:53 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 2

  1. investigating

    We are experiencing SMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via Subset of Longcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  2. resolved

    We are no longer experiencing SMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via Subset of Longcodes. This incident has been resolved.

    provider

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Corrections

None so far.

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Questions about DWN-514891a7a9

Is Twilio still down?

No, this incident was resolved 2026-04-04 11:53 UTC. For Twilio's live state, see https://down.guide/twilio.

How long did it last?

54m, from 2026-04-04 10:59 UTC to 2026-04-04 11:53 UTC, by the times Twilio posted.

What was affected?

Twilio named SMS Long 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.