SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile and Verizon United States

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 24m it lasted.

  Anything that failed between 2026-06-03 20:41 UTC and 2026-06-03 21:04 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. investigatingJun 3, 2026, 8:41 PM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile and Verizon network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

   provider

2. resolvedJun 3, 2026, 9:04 PM UTC

   We have fully investigated the SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile and Verizon network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.

   provider

Corrections

None so far.

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