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

Incident Report for Twilio

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.
Posted Oct 17, 2026 - 06:45 PDT

Update

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.
Posted Oct 17, 2026 - 06:00 PDT

Update

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.
Posted Oct 17, 2026 - 01:56 PDT

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.
Posted Oct 16, 2026 - 23:49 PDT

Update

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.
Posted Oct 16, 2026 - 18:52 PDT

Update

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.
Posted Oct 16, 2026 - 14:41 PDT

Update

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.
Posted Oct 16, 2026 - 12:11 PDT

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.
Posted Oct 16, 2026 - 11:06 PDT

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.
Posted Oct 16, 2026 - 10:16 PDT
This incident affected: CARRIER NETWORK (SMS, Europe).