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Outage in Zipwhip

SMS Delivery Failures from Multiple Networks in Czech to a subset of Twilio Long Code Numbers

Resolved Minor
March 04, 2026 - Started about 1 month ago - Lasted 1 day
Official incident page

Incident Report

Our monitoring systems have detected a potential issue associated to SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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Latest Updates ( sorted recent to last )
RESOLVED 30 days ago - at 03/05/2026 04:22PM

The incident has been resolved and SMS delivery from network subscribers to a subset of Twilio Czech Republic Long Codes is operating normally.

MONITORING 30 days ago - at 03/05/2026 02:28PM

We have observed a recovery in SMS delivery from multiple networks in Czech to a subset of Twilio long code numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

MONITORING about 1 month ago - at 03/05/2026 12:28PM

We have observed a recovery in SMS delivery from multiple networks in Czech to a subset of Twilio long code numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/05/2026 12:27PM

We have observed a recovery in SMS delivery from multiple networks in Czech to a subset of Twilio long code numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/05/2026 06:13AM

We continue to experience SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 16 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/04/2026 10:13PM

We continue to experience SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/04/2026 06:24PM

We continue to experience SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/04/2026 04:26PM

We continue to experience SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/04/2026 03:26PM

Twilio customers may be experiencing SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 03/04/2026 03:23PM

Our monitoring systems have detected a potential issue associated to SMS delivery failures from multiple networks in Czech Republic to Twilio Numbers. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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