# Twilio: SMS Delivery Failure to Verizon Network in the US for a Subset of Long Codes via 10DLC

> Twilio status incident “SMS Delivery Failure to Verizon Network in the US for a Subset of Long Codes via 10DLC” on 2023-05-12: impact none (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/8r9pmf34dgcx
Last updated: 2023-05-12T19:13:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2023-05-12 19:13 UTC · Resolved: 2023-05-12 19:13 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/8r9pmf34dgcx](https://status.twilio.com/incidents/8r9pmf34dgcx)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2023-05-12 19:13 UTC: SMS delivery failures to Verizon Network in the US for a subset of long-codes via 10DLC between around 13:00 PM PST on 05/11/2023 and about 11:30 PST on 05/12/2023. During this period of time, customers sending those messages received a negative DLR back corresponding to lack of permission to send on that route. 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 2023-05-12 19:13 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/8r9pmf34dgcx
- Citation: Twilio, “SMS Delivery Failure to Verizon Network in the US for a Subset of Long Codes via 10DLC” (2023-05-12 19:13 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/8r9pmf34dgcx (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Failure to Verizon Network in the US for a Subset of Long Codes via 10DLC (2023-05-12)](https://rewindex.com/company/twilio/incidents/8r9pmf34dgcx)`


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Canonical: https://rewindex.com/company/twilio/incidents/8r9pmf34dgcx · Markdown: https://rewindex.com/company/twilio/incidents/8r9pmf34dgcx.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/8r9pmf34dgcx · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:38:31.511Z