SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia

What to do

• Check whether you use Twilio SMS, APAC in apac, au. 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 3h 25m it lasted.

  Anything that failed between 2026-10-20 16:28 UTC and 2026-10-20 19:53 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 4

1. investigatingOct 20, 2026, 4:28 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia. 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 20, 2026, 4:29 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia. 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 20, 2026, 5:30 PM UTC

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

   provider

4. resolvedOct 20, 2026, 7:53 PM UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia is operating normally.

   provider

Corrections

None so far.

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