Voice Call Failures From Twilio Phone Numbers to Core Communications United States

Incident Report for Twilio

Update

Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. 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 Jul 28, 2026 - 15:55 PDT

Update

Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. 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 Jul 28, 2026 - 13:54 PDT

Update

Twilio customers may be experiencing voice call failures from Twilio to Core Communications network subscribers in the United States. 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 Jul 28, 2026 - 12:54 PDT

Update

Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

Posted Jul 28, 2026 - 11:38 PDT

Update

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. 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 Jul 28, 2026 - 03:37 PDT

Update

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. 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 Jul 27, 2026 - 23:35 PDT

Update

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. 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 Jul 27, 2026 - 21:35 PDT

Identified

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. 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 Jul 27, 2026 - 20:33 PDT

Investigating

Twilio customers may be experiencing voice call failures from subset of Twilio Phone Numbers to network subscribers in the United States, impacting a subset of phone numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Jul 27, 2026 - 20:13 PDT

This incident affects: CARRIER NETWORK (Voice, North America).