# Twilio: SMS Delivery Degradation from Twilio US Longcodes to Verizon Network and Shortcode to US Verizon and T-Mobile Network

> Twilio status incident “SMS Delivery Degradation from Twilio US Longcodes to Verizon Network and Shortcode to US Verizon and T-Mobile Network” on 2021-12-03: impact none (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/81bt1ljhj7r0
Last updated: 2021-12-03T08:45:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-12-03 08:45 UTC · Resolved: 2021-12-03 08:45 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/81bt1ljhj7r0](https://status.twilio.com/incidents/81bt1ljhj7r0)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-12-03 08:45 UTC: SMS delivery was degraded for 30 minutes between 00:00 and 00:30 Pacific Time on 12/03/2021. During this period, customers may have experienced SMS delivery delays from Twilio US Longcodes numbers to Verizon network and Shortcode numbers to US Verizon and T-Mobile network. The issue has now been resolved.

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

## Cite this

Status incident (vendor impact label: none) posted by Twilio, started 2021-12-03 08:45 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/81bt1ljhj7r0
- Citation: Twilio, “SMS Delivery Degradation from Twilio US Longcodes to Verizon Network and Shortcode to US Verizon and T-Mobile Network” (2021-12-03 08:45 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/81bt1ljhj7r0 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Degradation from Twilio US Longcodes to Verizon Network and Shortcode to US Verizon and T-Mobile Network (2021-12-03)](https://rewindex.com/company/twilio/incidents/81bt1ljhj7r0)`


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Canonical: https://rewindex.com/company/twilio/incidents/81bt1ljhj7r0 · Markdown: https://rewindex.com/company/twilio/incidents/81bt1ljhj7r0.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/81bt1ljhj7r0 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:07:22.184Z