Minor incident

Twilio: SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Czech Republic

Affected: SMS, Europe

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 16, 2026, 17:16 UTC
   investigating
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes and Alphanumeric Sender IDs to network subscribers on multiple networks in the Czech Republic. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
2. Oct 16, 2026, 18:06 UTC
   identified
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to network subscribers on multiple networks in the Czech Republic. 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.
3. Oct 16, 2026, 19:11 UTC
   identified
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to network subscribers on multiple networks in the Czech Republic. 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.
4. Oct 16, 2026, 21:41 UTC
   identified
   Twilio customers may be experiencing SMS delivery delays and delivery failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to multiple networks in the Czech Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
5. Oct 17, 2026, 01:52 UTC
   identified
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio alphanumeric sender IDs and long codes to network subscribers on multiple networks in the Czech Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
6. Oct 17, 2026, 06:49 UTC
   monitoring
   We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric and Long Codes to network subscribers on multiple networks in the Czech Republic and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
7. Oct 17, 2026, 08:56 UTC
   monitoring
   We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to network subscribers on multiple networks in the Czech Republic and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
8. Oct 17, 2026, 13:00 UTC
   monitoring
   We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to network subscribers on multiple networks in the Czech Republic and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
9. Oct 17, 2026, 13:45 UTC
   resolved
   The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to affected networks in the Czech Republic is operating normally.

Updates as published by Twilio (original).