TeleSign incident
Operator Alert - Mexico (MX) - ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080)
Resolved after 6 hours 20 minutes, affecting Mexico, on September 5, 2026.
Start Time: 5:05 AM PDT - 09/05/26 End Time: 10:28 AM PDT - 09/05/26 We received notification that the network issues previously reported by ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) from Mexico (MX) have been resolved. ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF 01231829
Affected components
Update timeline
- investigating Sep 05, 2026, 12:08 PM UTC
Start Time: 5:05 AM PDT - 09/05/26 End Time: Ongoing We received notification that ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) from Mexico (MX) is currently experiencing network issues, and this may cause a delay in the delivery of SMS messages. We will inform you once the operator has come to a resolution.
- resolved Sep 05, 2026, 06:28 PM UTC
Start Time: 5:05 AM PDT - 09/05/26 End Time: 10:28 AM PDT - 09/05/26 We received notification that the network issues previously reported by ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) from Mexico (MX) have been resolved. ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF 01231829
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