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minor✓ Resolved

SMS Delivery Failures To Telefonica Network In Mexico Via A Subset Of Longcodes

Twilio•Sat, Mar 7, 2026, 03:50 PM
Status
resolved
Duration
2d 19h
Updates
8
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Mar 10, 2026, 11:15 AM
This incident has been resolved.
identifiedMon, Mar 9, 2026, 10:16 PM
Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
identifiedSun, Mar 8, 2026, 10:16 PM
Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
identifiedSun, Mar 8, 2026, 07:26 AM
Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
identifiedSat, Mar 7, 2026, 11:31 PM
Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
identifiedSat, Mar 7, 2026, 07:43 PM
Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
identifiedSat, Mar 7, 2026, 05:46 PM
Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedSat, Mar 7, 2026, 04:48 PM
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigatingSat, Mar 7, 2026, 03:50 PM
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
3a537f6b-f711-4e3a-a412-d194ad821011
External ID
rkvy1mv3c47t
🕐 Started
Sat, Mar 7, 2026, 03:50 PM
🔄 Last Updated
Tue, Mar 10, 2026, 11:15 AM
✓ Resolved
Tue, Mar 10, 2026, 11:15 AM
MINOR
Impact Level
2d 19h
Total Duration
8
Status Updates
Affected Components
SMS, Latin America
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