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INCIDENT RESOLVED

Twilio

✓

Voice Call Failures from a Subset of Twilio Phone Numbers to Verizon Network in United States

Updated

Resolved 10:53Started 2Timeline events

Confirmed by the official source.

Executive summary

  • Summary

    Twilio reported voice call failures affecting a subset of Twilio phone numbers when calling Verizon network subscribers in the United States. Twilio later reported recovery and continued monitoring service stability.

What users experienced

  • User impact

    Some Twilio customers may experience voice call failures when calling Verizon network subscribers in the United States.

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Started

10:539 Sep 2026
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Timeline events

2View timeline →

Timeline of the incident

  1. Detection

    Confirmed by an official service source.

  2. Resolution

    The service is no longer reporting this incident as active.

What we know

  • ✓Twilio initially reported the issue as under investigation.
  • ✓The affected service was Twilio voice calling from a subset of Twilio phone numbers to Verizon network subscribers.
  • ✓Twilio reported observed recovery and later continued monitoring service stability.
  • ✓The latest provider update indicated the Voice, North America component was operational.