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Outage in Twilio

SMS Delivery Delays from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus

Minor
March 20, 2026 - Started about 14 hours ago
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS and MMS delivery delays when sending messages from a subset of their phone numbers to multiple networks in Kazakhstan, Russia, and Belarus. The issue affected SMS services in both APAC and Europe regions. Twilio engineers worked with their carrier partner to resolve the delivery delays, with the incident lasting 4 minutes.

We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS, APAC Twilio SMS, Europe

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Latest Updates ( sorted recent to last )
INVESTIGATING about 4 hours ago - at 03/21/2026 12:45PM

The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to affected networks in affected countries is operating normally.

INVESTIGATING about 5 hours ago - at 03/21/2026 12:01PM

We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to network subscribers on multiple networks in multiple countries and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 7 hours ago - at 03/21/2026 09:41AM

We continue to experience SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING about 11 hours ago - at 03/21/2026 05:31AM

We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING about 13 hours ago - at 03/21/2026 03:32AM

We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 14 hours ago - at 03/21/2026 02:41AM

We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

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