Outage in Twilio

SMS Delivery Delays from Twilio Short-Codes to US Carriers

Resolved Minor

November 26, 2022 - Started over 3 years ago - Lasted about 14 hours
Official incident page

Incident Report

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery delays from Twilio short-codes. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers. Please find the current delivery status for the major carriers below: US AT&T (status - Operational) T-Mobile (status - Operational) Sprint (status - Operational) Verizon (status - Operational) MetroPCS (status - Operational) US Cellular (status - Operational) Appalachian Wireless (status - Delayed) We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

Components affected

Twilio SMS Short Code, North America

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Latest Updates ( sorted recent to last )

RESOLVED over 3 years ago - at 11/27/2022 09:55AM

We are no longer experiencing instant SMS delivery from Twilio Short Codes at this time. This incident has been resolved.

MONITORING over 3 years ago - at 11/27/2022 07:55AM

Our monitoring shows overall improvement in carrier-side traffic congestion, and we are observing instant SMS delivery from Twilio Short Codes at this time. We will continue monitoring the overall US carrier networks to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Please find the current SMS delivery status from Twilio Short Code for the major carriers below:

AT&T (status - Operational)
T-Mobile (status - Operational)
Sprint (status - Operational)
Verizon (status - Operational)
MetroPCS (status - Operational)
US Cellular (status - Operational)
Appalachian Wireless (status - Operational)

INVESTIGATING over 3 years ago - at 11/27/2022 06:03AM

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery delays from Twilio short-codes.
Please find the current delivery status for the major carriers below:

US AT&T (status - Operational)
T-Mobile (status - Operational)
Sprint (status - Operational)
Verizon (status - Operational)
MetroPCS (status - Operational)
US Cellular (status - Operational)
Appalachian Wireless (status - Delayed)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

MONITORING over 3 years ago - at 11/27/2022 04:11AM

INVESTIGATING over 3 years ago - at 11/27/2022 02:12AM

Please find the current SMS delivery status from Twilio short-codes for the major carriers below:

AT&T (status - Operational)
T-Mobile (status - Operational)
Sprint (status - Operational)
Verizon (status - Operational)
MetroPCS (status - Operational)
US Cellular (status - Operational)
Appalachian Wireless (status - Delayed)

We will provide another update in 2 hours or as soon as we have any new information to share.

INVESTIGATING over 3 years ago - at 11/27/2022 12:18AM

INVESTIGATING over 3 years ago - at 11/26/2022 10:16PM

INVESTIGATING over 3 years ago - at 11/26/2022 08:16PM

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery delays from Twilio short-codes. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers.
Please find the current delivery status for the major carriers below:

US AT&T (status - Operational)
T-Mobile (status - Operational)
Sprint (status - Operational)
Verizon (status - Operational)
MetroPCS (status - Operational)
US Cellular (status - Operational)
Appalachian Wireless (status - Delayed)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

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