SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia

What to do

• Check whether you use Twilio SMS, Latin America. 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 2h 45m it lasted.

  Anything that failed between 2026-10-23 04:12 UTC and 2026-10-23 06:57 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 4

1. investigatingOct 23, 2026, 4:12 AM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Claro network subscribers in Colombia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

   provider

2. identifiedOct 23, 2026, 4:36 AM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Claro network subscribers in Colombia. 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

3. monitoringOct 23, 2026, 4:56 AM UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Claro network subscribers in Colombia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

   provider

4. resolvedOct 23, 2026, 6:57 AM UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Claro network subscribers in Colombia is operating normally.

   provider

Corrections

None so far.

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