Outage in Twilio

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

Resolved Minor

March 07, 2026 - Started 28 days ago - Lasted 3 days
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery failures lasting 67.4 hours affecting customers sending messages from a subset of Twilio phone numbers to Telefonica network subscribers in Mexico. The issue impacted SMS services in the Latin America region, with the team identifying the cause within the first hour but requiring nearly three days to fully resolve. The incident was classified as minor severity despite the extended duration.

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.

Components affected

Twilio SMS, Latin America

Need to monitor Twilio outages?

Monitor all your external dependencies in one place
Get instant alerts when outages are detected
Be the first to know if service is down
Show real-time status on private or public status page
Keep your team informed

Start monitoring for free

Latest Updates ( sorted recent to last )

IDENTIFIED 26 days ago - at 03/09/2026 10:16PM

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.

IDENTIFIED 27 days ago - at 03/08/2026 10:16PM

IDENTIFIED 27 days ago - at 03/08/2026 07:26AM

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.

IDENTIFIED 28 days ago - at 03/07/2026 11:31PM

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.

IDENTIFIED 28 days ago - at 03/07/2026 07:43PM

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.

IDENTIFIED 28 days ago - at 03/07/2026 05:46PM

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.

IDENTIFIED 28 days ago - at 03/07/2026 04:48PM

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.

INVESTIGATING 28 days ago - at 03/07/2026 03:50PM

Latest Twilio outages

Sms Delivery Delays to Cingular Wireless (AT&T) in United States of America via Subset of Longcodes - about 3 hours ago

SMS Delivery Receipt Delays from Twilio to Globe Telecom Philippines - about 17 hours ago

SMS Delivery Delays from Twilio to Orange Cameroon - 1 day ago

SMS Delivery Delays and Failure from Twilio to Ufone Pakistan - 2 days ago

SMS Delivery Delays from a Subset of Twilio Phone Numbers to ETMTN Ethiopia - 2 days ago

Never miss outages in third-party dependencies

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 6020 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook