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Carriers around the world are experiencing capacity issues because of increased demand on their networks due to COVID-19. This may result in voice quality issues, busy signals, or other errors on your phone calls. Twilio continues to monitor the health of the global carrier networks and we are publishing the most up-to-date information on our Worldwide Telephony Network Congestion page.
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US Small Carrier - SMS Carrier Partner Maintenance
Scheduled Maintenance Report for Twilio
Completed
The scheduled maintenance has been completed.
Posted Mar 25, 2020 - 03:00 PDT
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Mar 24, 2020 - 21:00 PDT
Scheduled
Our SMS carrier partner in the US is conducting emergency maintenance from 24 March 2020 at 21:00 PDT until 25 March at 2020 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from below US carrier via a subset of Twilio US shortcodes.

Impacted Carrier(s):
Union Telephone USA
West Central Wireless USA
Bluegrass Cellular USA
Carolina West Wireless USA
Rural Independent Network Alliance (RINA) USA
Illinois Valley Cellular USA
Inland Cellular USA
Nex Tech Communications USA
CellCom USA
Alaska Communications Systems (ACS) USA
GCI Communications USA
Thumb Cellular USA
Cross Wireless USA
Chat Mobility USA
Northwest Missouri Cellular USA
Panhandle Wireless USA
Viaero Wireless USA
MTPCS Cellular One (Cellone Nation) USA
Duet Wireless USA
SouthernLINC USA
Standing Rock Telecom USA
SRT Communications USA
Copper Valley Telecom USA
ASTAC USA
Cordova USA
Pine Belt USA
Shelcomm USA
James Valley Cellular USA
Posted Mar 18, 2020 - 17:52 PDT
This scheduled maintenance affected: CARRIER NETWORK (SMS Short Code, North America).