Twilio: SMS Delivery Failures to and from a Subset of ported Twilio US Long Codes
Timeline of updates
- resolved
The incident causing message delivery failures on a small subset of ported Twilio US long codes has been resolved, except for a small number of customers. We are closing this incident and will reach out to these customers individually for further follow-ups.
From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Twilio, started 2021-03-08 19:04 UTC, resolved after 4.1 h, 1 update(s).
- Title
- SMS Delivery Failures to and from a Subset of ported Twilio US Long Codes
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s
Twilio profileRecent Twilio incidentsAll outages on March 8, 2021Twilio in March 2021MarkdownJSON