# Twilio: SMS Delivery Failures Sending to US Altice Mobile Network from Twilio Long Code Numbers

- Impact (vendor’s label): major
- Status: resolved
- Started: 2021-03-03 14:20 UTC · Resolved: 2021-03-03 17:03 UTC · Duration: 2.7 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/0xcd5qsz259c](https://status.twilio.com/incidents/0xcd5qsz259c)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-03-03 17:03 UTC: We are no longer experiencing SMS delivery failures to the US Altice Mobile network from Twilio long code numbers. This incident has been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


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Canonical: https://rewindex.com/company/twilio/incidents/0xcd5qsz259c · Markdown: https://rewindex.com/company/twilio/incidents/0xcd5qsz259c.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/0xcd5qsz259c · Generated 2026-10-18T11:28:33.475Z