# SendGrid: SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-14 17:48 UTC · Resolved: 2026-10-15 02:57 UTC · Duration: 9.2 h
- Updates: 6 · Affected components: CARRIER NETWORK - SMS Short Code, North America, CARRIER NETWORK - SMS, Latin America, SMS, Latin America
- [Vendor status page: https://stspg.io/zj92jh14fxwq](https://stspg.io/zj92jh14fxwq)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)

## Timeline of updates

- **investigating** 2026-10-14 17:48 UTC: Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
- **investigating** 2026-10-14 18:49 UTC: Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
- **investigating** 2026-10-14 20:49 UTC: Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
- **monitoring** 2026-10-14 21:19 UTC: We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- **monitoring** 2026-10-14 23:19 UTC: We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- **resolved** 2026-10-15 02:57 UTC: The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico are operating normally.


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Canonical: https://rewindex.com/company/sendgrid/incidents/q524jff7d3kv · Markdown: https://rewindex.com/company/sendgrid/incidents/q524jff7d3kv.md · JSON: https://rewindex.com/api/v1/companies/sendgrid/incidents/q524jff7d3kv · Generated 2026-10-18T10:30:51.011Z