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SMS Delivery Delays from Twilio Short Codes to US Carriers
Incident Report for Twilio
Resolved
This incident is now resolved
Posted Nov 27, 2021 - 06:01 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 8 hours or as soon as we have any new information to share.
Posted Nov 27, 2021 - 05:19 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 4 hours or as soon as we have any new information to share.
Posted Nov 27, 2021 - 01:45 PST
Identified
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 23:52 PST
Monitoring
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.
Posted Nov 26, 2021 - 21:53 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

In addition, we observed SMS delivery delays for SMS to Bandwidth network in the US over a subset of Twilio Short Codes between 18:00 and 18:30 Pacific Time today (Nov 26).

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 19:53 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 19:26 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 17:26 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 15:41 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 13:49 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

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

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 11:49 PST
Update
Please find the current SMS delivery status from Twilio Short Codes for the major carriers below that may affect both Twilio SMS and Verify:

AT&T (status - Operational)
T-Mobile (status - Delayed from a subset of short codes)
Sprint (status - Delayed from a subset of short codes)
Verizon (status - Operational)
MetroPCS (status - Delayed from a subset of short codes)
US Cellular (status - Delayed)

We will provide another update in 2 hours or as soon as we have any new information to share.
Posted Nov 26, 2021 - 10:00 PST
Investigating
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:
AT&T (status - Operational)
T-Mobile (status - Operational)
Sprint (status - Operational)
Verizon (status - Operational)
MetroPCS (status - Operational)
US Cellular (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.
Posted Nov 26, 2021 - 09:07 PST
This incident affected: ACCOUNT SECURITY (Verify) and CARRIER NETWORK (SMS Short Code, North America).