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minor✓ Resolved

SMS Delivery Failures From a Subset of Twilio Long Codes to AT&T in US and Canada

Twilio•Wed, Feb 11, 2026, 10:41 PM
Status
resolved
Duration
2d 1h
Updates
5
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedSat, Feb 14, 2026, 12:10 AM
This incident has been resolved.
identifiedFri, Feb 13, 2026, 02:02 AM
We are observing successful SMS delivery from a subset of Twilio Long Codes to AT&T in US and Canada. The issue is still identified for small subset of numbers. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
identifiedFri, Feb 13, 2026, 12:22 AM
We are observing successful SMS delivery from a subset of Twilio Long Codes to AT&T in US and Canada. The issue is still identified for small subset of numbers. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
monitoringThu, Feb 12, 2026, 10:11 PM
We are observing successful SMS delivery from a subset of Twilio Long Codes to AT&T in US and Canada. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.
investigatingThu, Feb 12, 2026, 12:03 AM
We continue experiencing SMS Delivery Failures from a subset of Twilio Long Codes to AT&T in US and Canada. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
investigatingWed, Feb 11, 2026, 10:41 PM
We are experiencing SMS Delivery Failures from a subset of Twilio Long Codes to AT&T in US and Canada. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 Hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
049cc3b4-4341-4f80-b1b0-d91bf43cafcc
External ID
chg11r6tplk7
🕐 Started
Wed, Feb 11, 2026, 10:41 PM
🔄 Last Updated
Sat, Feb 14, 2026, 12:10 AM
✓ Resolved
Sat, Feb 14, 2026, 12:10 AM
MINOR
Impact Level
2d 1h
Total Duration
5
Status Updates
Affected Components
SMS Long Code, North America
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